2017届高考英语一轮基础知识复习课件：必修3 Unit 4 Astronomy the science of the stars（新人教版）
<p> ③<span word="It">It</span> <span word="has">has</span> <span word="been">been</span> ________ ________ <span word="for">for</span> <span word="more">more</span> <span word="than">than</span> 500 <span word="years">years</span>. 它已经存在500多年了。 ④<span word="Nowadays">Nowadays</span>, <span word="there">there</span> <span word="are">are</span> <span word="still">still</span> <span word="many">many</span> <span word="people">people</span> <span word="wondering">wondering</span> <span word="when">when</span> <span word="the">the</span> <span word="earth">earth</span> ________ ________ ________. 现在仍有很多人想知道，地球是何时产生的。 答案：①<span word="exist">exist</span> <span word="on">on</span> ②<span word="There">There</span> <span word="existed">existed</span> ③<span word="in">in</span> <span word="existence">existence</span> ④<span word="came">came</span> <span word="into">into</span> <span word="existence">existence</span> 3．<span word="puzzle">puzzle</span> <span word="n">n</span>．迷；难题 <span word="vi">vi</span> & <span word="vt">vt</span>. (使)迷惑；(使)为难 归纳拓展 <span word="puzzle">puzzle</span> <span word="about">about</span>/<span word="over">over</span> 苦苦思索；仔细琢磨 <span word="puzzle">puzzle</span> <span word="sth">sth</span>. <span word="out">out</span> 琢磨出……的答案；开动脑筋 <span word="be">be</span> <span word="puzzled">puzzled</span> <span word="by">by</span> 被……迷惑 <span word="be">be</span> <span word="in">in</span> <span word="a">a</span> <span word="puzzle">puzzle</span> <span word="about">about</span> <span word="sth">sth</span>. 对某事感到不解 <span word="set">set</span> <span word="a">a</span> <span word="puzzle">puzzle</span> <span word="for">for</span> <span word="sb">sb</span>. (＝<span word="set">set</span> <span word="sb">sb</span>. <span word="a">a</span> <span word="puzzle">puzzle</span>) 出个谜语让某人猜 <span word="be">be</span> <span word="in">in</span> <span word="a">a</span> <span word="puzzle">puzzle</span> 不知如何是好 <span word="puzzled">puzzled</span> <span word="adj">adj</span>. 感到困惑的 <span word="puzzling">puzzling</span> <span word="adj">adj</span>. 令人困惑的 ③<span word="Where">Where</span> <span word="the">the</span> <span word="missing">missing</span> <span word="plane">plane</span> <span word="has">has</span> <span word="gone">gone</span> <span word="still">still</span> <span word="remains">remains</span> <span word="a">a</span> <span word="puzzle">puzzle</span> ________ <span word="us">us</span>. 失联飞机去了哪儿对我们来说仍是个谜。 ④<span word="There">There</span> <span word="was">was</span> <span word="a">a</span> ________(<span word="puzzle">puzzle</span>) <span word="look">look</span> <span word="on">on</span> <span word="the">the</span> <span word="little">little</span> <span word="girl">girl</span>'<span word="s">s</span> <span word="face">face</span> <span word="because">because</span> <span word="a">a</span> ________(<span word="puzzle">puzzle</span>) <span word="problem">problem</span> ________(<span word="puzzle">puzzle</span>) <span word="her">her</span>. 在这个小女孩的脸上带着迷惑的表情，因为一道令人迷惑的问题让她感到困惑。 答案：①<span word="puzzled">puzzled</span> ②<span word="about">about</span>/<span word="over">over</span> ③<span word="to">to</span> ④<span word="puzzled">puzzled</span>; <span word="puzzling">puzzling</span>; <span word="puzzled">puzzled</span> 4．<span word="pull">pull</span> <span word="n">n</span>. &<span word="vt">vt</span>. 拉(力)；托；牵引力 归纳拓展 <span word="pull">pull</span> <span word="through">through</span> 康复；痊愈 <span word="pull">pull</span> <span word="back">back</span> 拉回来；缩回；(使)后退；撤退 <span word="pull">pull</span> <span word="down">down</span> 拉下(窗帘等)；拆毁；拆掉(房屋等) <span word="pull">pull</span> <span word="out">out</span> 拔出；(列车等)出站；启程 <span word="pull">pull</span> <span word="in">in</span> (列车等)驶进；到站；(船)靠岸 <span word="pull">pull</span> <span word="together">together</span> 齐心协力；团结起来 <span word="pull">pull</span> <span word="sb">sb</span>. <span word="through">through</span> (使)渡过危机(难关) <span word="pull">pull</span> ... <span word="up">up</span> 把……往上拽；停止 <span word="pull">pull</span> <span word="over">over</span> (机动车辆等)停靠(在路边)</p>
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