高三英语课文理解 Unit 24 Grade 1
<p> 1. <span word="While">While</span> <span word="people">people</span> <span word="in">in</span> <span word="other">other</span> <span word="countries">countries</span> <span word="in">in</span> <span word="the">the</span> <span word="world">world</span> <span word="were">were</span> <span word="trying">trying</span> <span word="to">to</span> <span word="catch">catch</span> <span word="wild">wild</span> <span word="animals">animals</span> <span word="and">and</span> <span word="birds">birds</span> <span word="and">and</span> <span word="were">were</span> <span word="still">still</span> <span word="collecting">collecting</span> <span word="seeds">seeds</span> <span word="and">and</span> <span word="nuts">nuts</span>, <span word="farmers">farmers</span> <span word="in">in</span> <span word="China">China</span> <span word="were">were</span> <span word="developing">developing</span> <span word="the">the</span> <span word="science">science</span> <span word="of">of</span> <span word="agriculture">agriculture</span>. 当别的国家的人们还在努力捕猎禽兽、采集果实时，中国的农民就已经在从事农业研究了。</p><p> 了解引导时间从句的三个引导词 <span word="when">when</span>, <span word="while">while</span>, <span word="as">as</span> 的区别: <span word="while">while</span> 的含义是<span word="during">during</span> <span word="the">the</span> <span word="time">time</span> <span word="that">that</span> 表示时间段或过程，强调主句与从句的行为或状态同时发生或存在，从句的谓语动词必须是延续性的。如：<span word="While">While</span> <span word="I">I</span> <span word="was">was</span> <span word="reading">reading</span>, <span word="the">the</span> <span word="telephone">telephone</span> <span word="rang">rang</span>. 我正看书时电话响了。<span word="when">when</span> 的含义是<span word="at">at</span> <span word="or">or</span> <span word="during">during</span> <span word="that">that</span> <span word="time">time</span>, 既可以用于指时间一点(从句谓语需用终止性动词),也可用于指时间段(从句谓语需用延续性动词)。如：<span word="When">When</span> <span word="the">the</span> <span word="firefighters">firefighters</span> <span word="arrived">arrived</span>, <span word="we">we</span> <span word="had">had</span> <span word="already">already</span> <span word="put">put</span> <span word="out">out</span> <span word="the">the</span> <span word="big">big</span> <span word="fire">fire</span>. 当救火队员到来时，我们已经把大火扑灭了(前后两个动作不同时发生)。<span word="When">When</span> <span word="I">I</span> <span word="woke">woke</span> <span word="up">up</span>, <span word="Mum">Mum</span> <span word="was">was</span> <span word="preparing">preparing</span> <span word="breakfast">breakfast</span>. 当我醒来时，妈妈正在准备早餐。<span word="as">as</span> 侧重的是主句和从句中的行为同时发生，通常译为随着...或一边...一边...。如: <span word="As">As</span> <span word="you">you</span> <span word="grow">grow</span>, <span word="you">you</span> <span word="know">know</span> <span word="more">more</span> <span word="and">and</span> <span word="more">more</span>. 随着年龄的增长，你的知识越来越丰富。</p><p> 2. <span word="He">He</span> <span word="advised">advised</span> <span word="farmers">farmers</span> <span word="to">to</span> <span word="choose">choose</span> <span word="the">the</span> <span word="best">best</span> <span word="seed">seed</span>-<span word="heads">heads</span>, <span word="the">the</span> <span word="ones">ones</span> <span word="that">that</span> <span word="had">had</span> <span word="the">the</span> <span word="best">best</span> <span word="colour">colour</span>. 他建议农民挑选最好的谷穗，即那些颜色最好的谷穗。</p>
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