英语六级的写作套句
<p> 开头 <span word="Recently">Recently</span>, <span word="the">the</span> <span word="problem">problem</span> <span word="of">of</span> <span word="has">has</span> <span word="aroused">aroused</span> <span word="people">people</span> <span word="s">s</span> <span word="concern">concern</span>. 最近, 问题已引起人们的关注. <span word="Internet">Internet</span> <span word="has">has</span> <span word="been">been</span> <span word="playing">playing</span> <span word="an">an</span> <span word="increasingly">increasingly</span> <span word="important">important</span> <span word="role">role</span> <span word="in">in</span> <span word="our">our</span> <span word="day">day</span>-<span word="to">to</span>-<span word="day">day</span> <span word="life">life</span>. <span word="It">It</span> <span word="has">has</span> <span word="brought">brought</span> <span word="a">a</span> <span word="lot">lot</span> <span word="of">of</span> <span word="benefits">benefits</span> <span word="but">but</span> <span word="has">has</span> <span word="created">created</span> <span word="some">some</span> <span word="serious">serious</span> <span word="problems">problems</span> <span word="as">as</span> <span word="well">well</span>. 互联网已在我们的生活中扮演着越来越重要的角色.它给我们带来了许多好处,但也产生了一些严重的问题. <span word="Nowadays">Nowadays</span>, <span word="has">has</span> <span word="become">become</span> <span word="a">a</span> <span word="problem">problem</span> <span word="we">we</span> <span word="have">have</span> <span word="to">to</span> <span word="face">face</span>. 如今,已成为我们不得不面对的问题了. <span word="It">It</span> <span word="is">is</span> <span word="commonly">commonly</span> <span word="believed">believed</span> <span word="that">that</span> / <span word="It">It</span> <span word="is">is</span> <span word="a">a</span> <span word="common">common</span> <span word="belief">belief</span> <span word="that">that</span> 人们一般认为 <span word="Many">Many</span> <span word="people">people</span> <span word="insist">insist</span> <span word="that">that</span> 很多人坚持认为 <span word="With">With</span> <span word="the">the</span> <span word="development">development</span> <span word="of">of</span> <span word="science">science</span> <span word="and">and</span> <span word="technology">technology</span>, <span word="more">more</span> <span word="and">and</span> <span word="more">more</span> <span word="people">people</span> <span word="believe">believe</span> <span word="that">that</span> 随着科技的发展,越来越多的人认为 <span word="A">A</span> <span word="lot">lot</span> <span word="of">of</span> <span word="people">people</span> <span word="seem">seem</span> <span word="to">to</span> <span word="think">think</span> <span word="that">that</span> 很多人似乎认为 结尾 <span word="Taking">Taking</span> <span word="all">all</span> <span word="these">these</span> <span word="factors">factors</span> <span word="into">into</span> <span word="consideration">consideration</span>, <span word="we">we</span> <span word="naturally">naturally</span> <span word="come">come</span> <span word="to">to</span> <span word="the">the</span> <span word="conclusion">conclusion</span> <span word="that">that</span> 把所有这些因素加以考虑,我们自然会得出结论 <span word="Taking">Taking</span> <span word="into">into</span> <span word="account">account</span> <span word="all">all</span> <span word="these">these</span> <span word="factors">factors</span>, <span word="we">we</span> <span word="may">may</span> <span word="reasonably">reasonably</span> <span word="come">come</span> <span word="to">to</span> <span word="the">the</span> <span word="conclusion">conclusion</span> <span word="that">that</span> 考虑所有这些因素, 我们可能会得出合理的结论 <span word="Hence">Hence</span>/<span word="Therefore">Therefore</span>, <span word="we">we</span> <span word="d">d</span> <span word="better">better</span> <span word="come">come</span> <span word="to">to</span> <span word="the">the</span> <span word="conclusion">conclusion</span> <span word="that">that</span> 因此,我们最好得出这样的结论 <span word="There">There</span> <span word="is">is</span> <span word="no">no</span> <span word="doubt">doubt</span> <span word="that">that</span> <span word="has">has</span> <span word="its">its</span> <span word="drawbacks">drawbacks</span> <span word="as">as</span> <span word="well">well</span> <span word="as">as</span> <span word="merits">merits</span>. 毫无疑问,跳槽有优点也有缺点. <span word="All">All</span> <span word="in">in</span> <span word="all">all</span>, <span word="we">we</span> <span word="cannot">cannot</span> <span word="live">live</span> <span word="without">without</span> <span word="But">But</span> <span word="at">at</span> <span word="the">the</span> <span word="same">same</span> <span word="time">time</span> <span word="we">we</span> <span word="must">must</span> <span word="try">try</span> <span word="to">to</span> <span word="find">find</span> <span word="out">out</span> <span word="new">new</span> <span word="ways">ways</span> <span word="to">to</span> <span word="cope">cope</span> <span word="with">with</span> <span word="the">the</span> <span word="problems">problems</span> <span word="that">that</span> <span word="would">would</span> <span word="arise">arise</span>. 总之,我们没有 是无法生活的.但同时,我们必须寻求新的解决办法来对付可能出现的新问题. 引出不同观点: <span word="People">People</span> <span word="s">s</span> <span word="views">views</span> <span word="on">on</span> <span word="vary">vary</span> <span word="from">from</span> <span word="person">person</span> <span word="to">to</span> <span word="person">person</span>. <span word="Some">Some</span> <span word="hold">hold</span> <span word="that">that</span> . <span word="However">However</span>, <span word="others">others</span> <span word="believe">believe</span> <span word="that">that</span> . 人们对 的观点因人而异.有些人认为 .. 然而其他人却认为... <span word="People">People</span> <span word="may">may</span> <span word="have">have</span> <span word="different">different</span> <span word="opinions">opinions</span> <span word="on">on</span> 人们对 可能会有不同的见解. <span word="Attitudes">Attitudes</span> <span word="towards">towards</span> <span word="vary">vary</span> <span word="from">from</span> <span word="person">person</span> <span word="to">to</span> <span word="person">person</span>. 人们对待吸毒的态度因人而异. <span word="There">There</span> <span word="are">are</span> <span word="different">different</span> <span word="opinions">opinions</span> <span word="among">among</span> <span word="people">people</span> <span word="as">as</span> <span word="to">to</span> 关于 . 人们的观点大不相同. <span word="Different">Different</span> <span word="people">people</span> <span word="hold">hold</span> <span word="different">different</span> <span word="attitudes">attitudes</span> <span word="toward">toward</span> . 对人们的态度各不相同. 提出建议: <span word="It">It</span> <span word="is">is</span> <span word="high">high</span> <span word="time">time</span> <span word="that">that</span> <span word="we">we</span> <span word="put">put</span> <span word="an">an</span> <span word="end">end</span> <span word="to">to</span> <span word="the">the</span> .该是我们停止这一趋势的时候了. <span word="It">It</span> <span word="is">is</span> <span word="time">time</span> <span word="to">to</span> <span word="take">take</span> <span word="the">the</span> <span word="advice">advice</span> <span word="of">of</span> <span word="and">and</span> <span word="to">to</span> <span word="put">put</span> <span word="special">special</span> <span word="emphasis">emphasis</span> <span word="on">on</span> <span word="the">the</span> <span word="improvement">improvement</span> <span word="of">of</span> 该是采纳 的建议,并对 的进展给予特殊重视的时候了. <span word="There">There</span> <span word="is">is</span> <span word="no">no</span> <span word="doubt">doubt</span> <span word="that">that</span> <span word="enough">enough</span> <span word="concern">concern</span> <span word="must">must</span> <span word="be">be</span> <span word="paid">paid</span> <span word="to">to</span> <span word="the">the</span> <span word="problem">problem</span> <span word="of">of</span> 毫无疑问,对 问题应予以足够的重视. <span word="Obviously">Obviously</span>, . <span word="If">If</span> <span word="we">we</span> <span word="want">want</span> <span word="to">to</span> <span word="do">do</span> <span word="something">something</span> , <span word="it">it</span> <span word="is">is</span> <span word="essential">essential</span> <span word="that">that</span> 显然,如果我们想做某事,很重要的是 <span word="Only">Only</span> <span word="in">in</span> <span word="this">this</span> <span word="way">way</span> <span word="can">can</span> <span word="we">we</span> 只有这样,我们才能 <span word="It">It</span> <span word="must">must</span> <span word="be">be</span> <span word="realized">realized</span> <span word="that">that</span> 我们必须意识到 预示后果: <span word="Obviously">Obviously</span>, <span word="if">if</span> <span word="we">we</span> <span word="don">don</span> <span word="t">t</span> <span word="control">control</span> <span word="the">the</span> <span word="problem">problem</span>, <span word="the">the</span> <span word="chances">chances</span> <span word="are">are</span> <span word="that">that</span> <span word="will">will</span> <span word="lead">lead</span> <span word="us">us</span> <span word="in">in</span> <span word="danger">danger</span>. 很明显,如果我们不能控制这一问题,很有可能我们会陷入危险. <span word="No">No</span> <span word="doubt">doubt</span>, <span word="unless">unless</span> <span word="we">we</span> <span word="take">take</span> <span word="effective">effective</span> <span word="measures">measures</span>, <span word="it">it</span> <span word="is">is</span> <span word="very">very</span> <span word="likely">likely</span> <span word="that">that</span> 毫无疑问,除非我们采取有效措施,很可能会 <span word="It">It</span> <span word="is">is</span> <span word="urgent">urgent</span> <span word="that">that</span> <span word="immediate">immediate</span> <span word="measures">measures</span> <span word="should">should</span> <span word="be">be</span> <span word="taken">taken</span> <span word="to">to</span> <span word="stop">stop</span> <span word="the">the</span> <span word="situation">situation</span>. 很紧迫的是,应立即采取措施阻止这一事态的发展. 论证 <span word="From">From</span> <span word="my">my</span> <span word="point">point</span> <span word="of">of</span> <span word="view">view</span>, <span word="it">it</span> <span word="is">is</span> <span word="more">more</span> <span word="reasonable">reasonable</span> <span word="to">to</span> <span word="support">support</span> <span word="the">the</span> <span word="first">first</span> <span word="opinion">opinion</span> <span word="rather">rather</span> <span word="than">than</span> <span word="the">the</span> <span word="second">second</span>. 在我看来,支持第一种观点比支持第二种观点更有道理. <span word="I">I</span> <span word="cannot">cannot</span> <span word="entirely">entirely</span> <span word="agree">agree</span> <span word="with">with</span> <span word="the">the</span> <span word="idea">idea</span> <span word="that">that</span> 我无法完全同意这一观点 . <span word="Personally">Personally</span>, <span word="I">I</span> <span word="am">am</span> <span word="standing">standing</span> <span word="on">on</span> <span word="the">the</span> <span word="side">side</span> <span word="of">of</span> 就个人而言, 我站在 的一边. <span word="I">I</span> <span word="sincerely">sincerely</span> <span word="believe">believe</span> <span word="that">that</span> 我真诚地相信 <span word="In">In</span> <span word="my">my</span> <span word="opinion">opinion</span>, <span word="it">it</span> <span word="is">is</span> <span word="more">more</span> <span word="advisable">advisable</span> <span word="to">to</span> <span word="do">do</span> <span word="than">than</span> <span word="to">to</span> <span word="do">do</span> . 在我个人看来,做 比做 更明智. <span word="Finally">Finally</span>, <span word="to">to</span> <span word="speak">speak</span> <span word="frankly">frankly</span>, <span word="there">there</span> <span word="is">is</span> <span word="also">also</span> <span word="a">a</span> <span word="more">more</span> <span word="practical">practical</span> <span word="reason">reason</span> <span word="why">why</span> 给出原因: <span word="This">This</span> <span word="phenomenon">phenomenon</span> <span word="exists">exists</span> <span word="for">for</span> <span word="a">a</span> <span word="number">number</span> <span word="of">of</span> <span word="reasons">reasons</span>. <span word="First">First</span>, <span word="Second">Second</span>, <span word="Third">Third</span>, 这一现象的存在是有许多原因的.首先, 第二, 第三, <span word="Why">Why</span> <span word="did">did</span> ? <span word="For">For</span> <span word="one">one</span> <span word="thing">thing</span> <span word="For">For</span> <span word="another">another</span> . <span word="Perhaps">Perhaps</span> <span word="the">the</span> <span word="primary">primary</span> <span word="reason">reason</span> <span word="is">is</span> 为什么会 ? 一个原因是 令一个原因是 或许其主要原因是 . <span word="I">I</span> <span word="quite">quite</span> <span word="agree">agree</span> <span word="with">with</span> <span word="the">the</span> <span word="statement">statement</span> <span word="that">that</span> <span word="the">the</span> <span word="reasons">reasons</span> <span word="are">are</span> <span word="chiefly">chiefly</span> <span word="as">as</span> <span word="follows">follows</span>. 我十分赞同这一论述,即 ,其主要原因如下: 列出解决办法: <span word="Here">Here</span> <span word="are">are</span> <span word="some">some</span> <span word="suggestions">suggestions</span> <span word="for">for</span> <span word="handling">handling</span> 这是如何处理某事的一些建议. <span word="The">The</span> <span word="best">best</span> <span word="way">way</span> <span word="to">to</span> <span word="solve">solve</span> <span word="the">the</span> <span word="troubles">troubles</span> <span word="is">is</span> 解决这些麻烦的最好办法是 <span word="People">People</span> <span word="have">have</span> <span word="figured">figured</span> <span word="out">out</span> <span word="many">many</span> <span word="ways">ways</span> <span word="to">to</span> <span word="solve">solve</span> <span word="this">this</span> <span word="problem">problem</span>. 人们已找出许多办法来解决这个问题. 批判错误观点和做法: <span word="As">As</span> <span word="far">far</span> <span word="as">as</span> <span word="something">something</span> <span word="is">is</span> <span word="concerned">concerned</span>, . 就某事而言, <span word="It">It</span> <span word="was">was</span> <span word="obvious">obvious</span> <span word="that">that</span> 很显然, . <span word="It">It</span> <span word="may">may</span> <span word="be">be</span> <span word="true">true</span> <span word="that">that</span> , <span word="but">but</span> <span word="it">it</span> <span word="doesn">doesn</span> <span word="t">t</span> <span word="mean">mean</span> <span word="that">that</span> 可能 是对的,但这并不意味着 <span word="It">It</span> <span word="is">is</span> <span word="natural">natural</span> <span word="to">to</span> <span word="believe">believe</span> <span word="that">that</span> , <span word="but">but</span> <span word="we">we</span> <span word="shouldn">shouldn</span> <span word="t">t</span> <span word="ignore">ignore</span> <span word="that">that</span> 认为 .是很自然的,但我们不应忽视 . <span word="There">There</span> <span word="is">is</span> <span word="no">no</span> <span word="evidence">evidence</span> <span word="to">to</span> <span word="suggest">suggest</span> <span word="that">that</span> 没有证据表明 过渡词 强调 <span word="still">still</span>, <span word="Indeed">Indeed</span>, <span word="apparently">apparently</span>, <span word="oddly">oddly</span> <span word="enough">enough</span>, <span word="of">of</span> <span word="course">course</span>, <span word="after">after</span> <span word="all">all</span>, <span word="significantly">significantly</span>, <span word="interestingly">interestingly</span>, <span word="also">also</span>, <span word="above">above</span> <span word="all">all</span>, <span word="surely">surely</span>, <span word="certainly">certainly</span>, <span word="undoubtedly">undoubtedly</span>, <span word="in">in</span> <span word="any">any</span> <span word="case">case</span>, <span word="anyway">anyway</span>, <span word="above">above</span> <span word="all">all</span>, <span word="in">in</span> <span word="fact">fact</span>, <span word="especially">especially</span>, <span word="obviously">obviously</span>, <span word="clearly">clearly</span>. 比较 <span word="like">like</span>, <span word="similarly">similarly</span>, <span word="likewise">likewise</span>, <span word="in">in</span> <span word="the">the</span> <span word="same">same</span> <span word="way">way</span>, <span word="in">in</span> <span word="the">the</span> <span word="same">same</span> <span word="manner">manner</span>, <span word="equally">equally</span>. 对比 <span word="by">by</span> <span word="contrast">contrast</span>, <span word="on">on</span> <span word="the">the</span> <span word="contrary">contrary</span>, <span word="while">while</span>, <span word="whereas">whereas</span>, <span word="on">on</span> <span word="the">the</span> <span word="other">other</span> <span word="hand">hand</span>, <span word="unlike">unlike</span>, <span word="instead">instead</span>, <span word="but">but</span>, <span word="conversely">conversely</span>, <span word="different">different</span> <span word="from">from</span>, <span word="however">however</span>, <span word="nevertheless">nevertheless</span>, <span word="otherwise">otherwise</span>, <span word="whereas">whereas</span>, <span word="unlike">unlike</span>, <span word="yet">yet</span>, <span word="in">in</span> <span word="contrast">contrast</span>. 列举 <span word="for">for</span> <span word="example">example</span>, <span word="for">for</span> <span word="instance">instance</span>, <span word="such">such</span> <span word="as">as</span>, <span word="take">take</span> <span word="for">for</span> <span word="example">example</span>. <span word="Except">Except</span> , <span word="to">to</span> <span word="illustrate">illustrate</span>. 时间 <span word="later">later</span>, <span word="next">next</span>, <span word="then">then</span>, <span word="finally">finally</span>, <span word="at">at</span> <span word="last">last</span>, <span word="eventually">eventually</span>, <span word="meanwhile">meanwhile</span>, <span word="from">from</span> <span word="now">now</span> <span word="on">on</span>, <span word="at">at</span> <span word="the">the</span> <span word="same">same</span> <span word="time">time</span>, <span word="for">for</span> <span word="the">the</span> <span word="time">time</span> <span word="being">being</span>, <span word="in">in</span> <span word="the">the</span> <span word="end">end</span>, <span word="immediately">immediately</span>, <span word="in">in</span> <span word="the">the</span> <span word="meantime">meantime</span>, <span word="in">in</span> <span word="the">the</span> <span word="meanwhile">meanwhile</span>, <span word="recently">recently</span>, <span word="soon">soon</span>, <span word="now">now</span> <span word="and">and</span> <span word="then">then</span>, <span word="during">during</span>,<span word="nowadays">nowadays</span>, <span word="since">since</span>, <span word="lately">lately</span>, <span word="as">as</span> <span word="soon">soon</span> <span word="as">as</span>, <span word="afterwards">afterwards</span>, <span word="temporarily">temporarily</span>, <span word="earlier">earlier</span>, <span word="now">now</span>, <span word="after">after</span> <span word="a">a</span> <span word="while">while</span>. 顺序 <span word="first">first</span>, <span word="second">second</span>, <span word="third">third</span>, <span word="then">then</span>, <span word="finally">finally</span>, <span word="to">to</span> <span word="begin">begin</span> <span word="with">with</span>, <span word="first">first</span> <span word="of">of</span> <span word="all">all</span>, <span word="in">in</span> <span word="the">the</span> <span word="first">first</span> <span word="place">place</span>, <span word="last">last</span>, <span word="next">next</span>, <span word="above">above</span> <span word="all">all</span>, <span word="last">last</span> <span word="but">but</span> <span word="not">not</span> <span word="the">the</span> <span word="least">least</span>, <span word="first">first</span> <span word="and">and</span> <span word="most">most</span> <span word="important">important</span>. 可能 <span word="presumably">presumably</span>, <span word="probably">probably</span>, <span word="perhaps">perhaps</span>. 解释 <span word="in">in</span> <span word="other">other</span> <span word="words">words</span>, <span word="in">in</span> <span word="fact">fact</span>, <span word="as">as</span> <span word="a">a</span> <span word="matter">matter</span> <span word="of">of</span> <span word="fact">fact</span>, <span word="that">that</span> <span word="is">is</span>, <span word="namely">namely</span>, <span word="in">in</span> <span word="simpler">simpler</span> <span word="terms">terms</span>. 递进 <span word="What">What</span> <span word="is">is</span> <span word="more">more</span>, <span word="in">in</span> <span word="addition">addition</span>, <span word="and">and</span>, <span word="besides">besides</span>, <span word="also">also</span>, <span word="furthermore">furthermore</span>, <span word="too">too</span>, <span word="moreover">moreover</span>, <span word="furthermore">furthermore</span>, <span word="as">as</span> <span word="well">well</span> <span word="as">as</span>, <span word="additionally">additionally</span>, <span word="again">again</span>. 让步 <span word="although">although</span>, <span word="after">after</span> <span word="all">all</span>, <span word="in">in</span> <span word="spite">spite</span> <span word="of">of</span> , <span word="despite">despite</span>, <span word="even">even</span> <span word="if">if</span>, <span word="even">even</span> <span word="though">though</span>, <span word="though">though</span>, <span word="admittedly">admittedly</span>, <span word="whatever">whatever</span> <span word="may">may</span> <span word="happen">happen</span>. 转折 <span word="however">however</span>, <span word="rather">rather</span> <span word="than">than</span>, <span word="instead">instead</span> <span word="of">of</span>, <span word="but">but</span>, <span word="yet">yet</span>, <span word="on">on</span> <span word="theother">theother</span> <span word="hand">hand</span>, <span word="unfortunately">unfortunately</span>. <span word="whereas">whereas</span> 原因 <span word="for">for</span> <span word="this">this</span> <span word="reason">reason</span>, <span word="due">due</span> <span word="to">to</span>, <span word="thanks">thanks</span> <span word="to">to</span>, <span word="because">because</span>, <span word="because">because</span> <span word="of">of</span>, <span word="as">as</span>, <span word="since">since</span>, <span word="owing">owing</span> <span word="to">to</span>. 结果 <span word="as">as</span> <span word="a">a</span> <span word="result">result</span>, <span word="thus">thus</span>, <span word="hence">hence</span>, <span word="so">so</span>, <span word="therefore">therefore</span>, <span word="accordingly">accordingly</span>, <span word="consequently">consequently</span>, <span word="as">as</span> <span word="consequence">consequence</span>. 总结 <span word="on">on</span> <span word="the">the</span> <span word="whole">whole</span>, <span word="in">in</span> <span word="conclusion">conclusion</span>, <span word="in">in</span> <span word="a">a</span> <span word="word">word</span>, <span word="to">to</span> <span word="sum">sum</span> <span word="up">up</span>, <span word="in">in</span> <span word="brief">brief</span>, <span word="in">in</span> <span word="summary">summary</span>, <span word="to">to</span> <span word="conclude">conclude</span>, <span word="to">to</span> <span word="summarize">summarize</span>, <span word="in">in</span> <span word="short">short</span>. 其他 <span word="Mostly">Mostly</span>, <span word="occasionally">occasionally</span>, <span word="currently">currently</span>, <span word="naturally">naturally</span>, <span word="mainly">mainly</span>, <span word="exactly">exactly</span>, <span word="evidently">evidently</span>, <span word="frankly">frankly</span>, <span word="commonly">commonly</span>, <span word="for">for</span> <span word="this">this</span> <span word="purpose">purpose</span>, <span word="to">to</span> <span word="a">a</span> <span word="large">large</span> <span word="extent">extent</span>, <span word="for">for</span> <span word="most">most</span> <span word="of">of</span> <span word="us">us</span>, <span word="in">in</span> <span word="many">many</span> <span word="cases">cases</span>, <span word="in">in</span> <span word="this">this</span> <span word="case">case</span> 图表作文常用句型 <span word="As">As</span> <span word="is">is</span> <span word="shown">shown</span> <span word="in">in</span> <span word="the">the</span> <span word="graph">graph</span> 如图所示 <span word="The">The</span> <span word="graph">graph</span> <span word="shows">shows</span> <span word="that">that</span> 图表显示 <span word="As">As</span> <span word="can">can</span> <span word="be">be</span> <span word="seen">seen</span> <span word="from">from</span> <span word="the">the</span> <span word="table">table</span>, 从表格中可以看出 <span word="From">From</span> <span word="the">the</span> <span word="chart">chart</span>, <span word="we">we</span> <span word="know">know</span> <span word="that">that</span> 从这张表中,我们可知 <span word="All">All</span> <span word="these">these</span> <span word="data">data</span> <span word="clearly">clearly</span> <span word="prove">prove</span> <span word="the">the</span> <span word="fact">fact</span> <span word="that">that</span> 所有这些数据明显证明这一事实,即 <span word="The">The</span> <span word="increase">increase</span> <span word="of">of</span> . <span word="in">in</span> <span word="the">the</span> <span word="city">city</span> <span word="has">has</span> <span word="reached">reached</span> <span word="to">to</span> 20%. 这个城市的 .增长已达到20%. <span word="In">In</span> 1985, <span word="the">the</span> <span word="number">number</span> <span word="remained">remained</span> <span word="the">the</span> <span word="same">same</span>. 1985年,这个数字保持不变. <span word="There">There</span> <span word="was">was</span> <span word="a">a</span> <span word="gradual">gradual</span> <span word="decline">decline</span> <span word="in">in</span> 1989. 1989年,出现了逐渐下降的情况.</p>
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