推荐初中二年级英语暑期练习作业
<p>一个学期的学习就结束了，又迎来一个暑假。暑假期间，考生可以适当放松，同时也要静下心来做好下学期的规划。下文为您准备了初中二年级英语暑期练习作业。</p><p><span word="As">As</span> <span word="space">space</span> <span word="science">science</span> <span word="develops">develops</span>, <span word="man">man</span> <span word="has">has</span> <span word="learned">learned</span> <span word="more">more</span> <span word="and">and</span> <span word="more">more</span> <span word="about">about</span> <span word="space">space</span>. <span word="Space">Space</span> <span word="is">is</span> <span word="not">not</span> <span word="only">only</span> <span word="amazing">amazing</span> <span word="but">but</span> <span word="also">also</span> <span word="dangerous">dangerous</span>. <span word="While">While</span> <span word="working">working</span> <span word="in">in</span> <span word="space">space</span>, <span word="spacemen">spacemen</span> <span word="are">are</span> <span word="facing">facing</span> <span word="danger">danger</span> <span word="as">as</span> <span word="well">well</span> <span word="as">as</span> <span word="success">success</span>.</p><p><span word="Scientists">Scientists</span> <span word="have">have</span> <span word="found">found</span> <span word="out">out</span> <span word="that">that</span> <span word="the">the</span> <span word="radiation">radiation</span>(辐射)<span word="is">is</span> <span word="the">the</span> <span word="greatest">greatest</span> <span word="danger">danger</span> <span word="to">to</span> <span word="spacemen">spacemen</span> <span word="in">in</span> <span word="space">space</span>. <span word="When">When</span> <span word="spacemen">spacemen</span> <span word="are">are</span> <span word="working">working</span> <span word="in">in</span> <span word="space">space</span>, <span word="they">they</span> <span word="are">are</span> <span word="in">in</span> <span word="danger">danger</span> <span word="of">of</span> <span word="the">the</span> <span word="radiation">radiation</span> <span word="from">from</span> <span word="the">the</span> <span word="sun">sun</span> <span word="and">and</span> <span word="other">other</span> <span word="stars">stars</span>, <span word="which">which</span> <span word="is">is</span> <span word="bad">bad</span> <span word="for">for</span> <span word="their">their</span> <span word="health">health</span>. <span word="The">The</span> <span word="harm">harm</span> <span word="of">of</span> <span word="the">the</span> <span word="radiation">radiation</span> <span word="wont">wont</span> <span word="be">be</span> <span word="found">found</span> <span word="until">until</span> <span word="their">their</span> <span word="children">children</span> <span word="even">even</span> <span word="grandchildren">grandchildren</span> <span word="are">are</span> <span word="born">born</span>. <span word="Some">Some</span> <span word="special">special</span> <span word="medicine">medicine</span> <span word="may">may</span> <span word="work">work</span> <span word="a">a</span> <span word="little">little</span>, <span word="but">but</span> <span word="no">no</span> <span word="really">really</span> <span word="effective">effective</span> <span word="medicine">medicine</span> <span word="has">has</span> <span word="been">been</span> <span word="found">found</span> <span word="so">so</span> <span word="far">far</span>.</p><p><span word="Space">Space</span> <span word="rubbish">rubbish</span> <span word="is">is</span> <span word="also">also</span> <span word="thought">thought</span> <span word="to">to</span> <span word="be">be</span> <span word="a">a</span> <span word="great">great</span> <span word="danger">danger</span> <span word="to">to</span> <span word="spacemen">spacemen</span>. <span word="Its">Its</span> <span word="reported">reported</span> <span word="that">that</span> <span word="there">there</span> <span word="were">were</span> 9,000 <span word="man">man</span>-<span word="made">made</span> <span word="things">things</span> <span word="flying">flying</span> <span word="in">in</span> <span word="space">space</span>. <span word="About">About</span> 30% <span word="of">of</span> <span word="these">these</span> <span word="are">are</span> <span word="satellites">satellites</span>, 10% <span word="are">are</span> <span word="spaceships">spaceships</span>, <span word="and">and</span> <span word="the">the</span> <span word="rest">rest</span> <span word="are">are</span> <span word="space">space</span> <span word="rubbish">rubbish</span>. <span word="An">An</span> <span word="explosion">explosion</span>(爆炸)<span word="in">in</span> <span word="space">space</span> <span word="in">in</span> 1999 <span word="made">made</span> <span word="a">a</span> <span word="cloud">cloud</span> <span word="of">of</span> 300,000 <span word="fragments">fragments</span>, <span word="each">each</span> <span word="at">at</span> <span word="least">least</span> 4<span word="mm">mm</span> <span word="in">in</span> <span word="size">size</span>. <span word="A">A</span> <span word="small">small</span> <span word="piece">piece</span> <span word="of">of</span> <span word="these">these</span> <span word="even">even</span> <span word="knocked">knocked</span> <span word="a">a</span> <span word="spaceship">spaceship</span> <span word="window">window</span> <span word="and">and</span> <span word="caused">caused</span> <span word="some">some</span> <span word="damage">damage</span>(损坏).</p><p><span word="Scientists">Scientists</span> <span word="are">are</span> <span word="watching">watching</span> <span word="and">and</span> <span word="reporting">reporting</span> <span word="any">any</span> <span word="possible">possible</span> <span word="danger">danger</span> <span word="all">all</span> <span word="the">the</span> <span word="time">time</span>. <span word="They">They</span> <span word="are">are</span> <span word="working">working</span> <span word="to">to</span> <span word="deal">deal</span> <span word="with">with</span> <span word="space">space</span> <span word="rubbish">rubbish</span>. <span word="Although">Although</span> <span word="space">space</span> <span word="is">is</span> <span word="really">really</span> <span word="dangerous">dangerous</span>, <span word="it">it</span> <span word="interests">interests</span> <span word="many">many</span> <span word="people">people</span> <span word="on">on</span> <span word="the">the</span> <span word="earth">earth</span>. <span word="In">In</span> <span word="the">the</span> <span word="near">near</span> <span word="future">future</span>, <span word="it">it</span> <span word="may">may</span> <span word="become">become</span> <span word="possible">possible</span> <span word="for">for</span> <span word="people">people</span> <span word="to">to</span> <span word="spend">spend</span> <span word="a">a</span> <span word="few">few</span> <span word="days">days</span> <span word="in">in</span> <span word="a">a</span> <span word="space">space</span> <span word="hotel">hotel</span>. <span word="We">We</span> <span word="may">may</span> <span word="even">even</span> <span word="choose">choose</span> <span word="to">to</span> <span word="leave">leave</span> <span word="the">the</span> <span word="earth">earth</span> <span word="and">and</span> <span word="live">live</span> <span word="in">in</span> <span word="space">space</span> <span word="in">in</span> <span word="a">a</span> <span word="few">few</span> <span word="years">years</span>. <span word="So">So</span> <span word="we">we</span> <span word="should">should</span> <span word="do">do</span> <span word="something">something</span> <span word="to">to</span> <span word="help">help</span> <span word="improve">improve</span> <span word="the">the</span> <span word="space">space</span> <span word="environment">environment</span>.</p>
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