2017届高考英语一轮复习全套课件：第1部分 选修7 教材知识梳理 Unit 21 Human Biology（北师大版）
<p> 重点短语 重点句型 重点单词 ❷<span word="at">at</span> <span word="all">all</span> <span word="costs">costs</span> 不管多大代价;无论如何 <span word="The">The</span> <span word="Olympic">Olympic</span> <span word="spirit">spirit</span>—<span word="the">the</span> <span word="spirit">spirit</span> <span word="of">of</span> <span word="competition">competition</span> <span word="which">which</span> <span word="emphasizes">emphasizes</span> <span word="taking">taking</span> <span word="part">part</span> <span word="rather">rather</span> <span word="than">than</span> <span word="winning">winning</span>—<span word="has">has</span> <span word="been">been</span> <span word="violated">violated</span> <span word="by">by</span> <span word="the">the</span> <span word="desire">desire</span> <span word="to">to</span> <span word="succeed">succeed</span> <span word="at">at</span> <span word="all">all</span> <span word="costs">costs</span>.人们不惜任何代价获胜的愿望违背了重在参与而非获胜的奥林匹克精神。(教材原句<span word="P">P</span>34) <span word="We">We</span> <span word="have">have</span> <span word="to">to</span> <span word="finish">finish</span> <span word="the">the</span> <span word="program">program</span> <span word="before">before</span> <span word="the">the</span> <span word="end">end</span> <span word="of">of</span> <span word="this">this</span> <span word="month">month</span> <span word="at">at</span> <span word="all">all</span> <span word="costs">costs</span>.无论如何,我们要在月底前完成这个项目。◆拓展延伸 <span word="at">at</span> <span word="the">the</span> <span word="cost">cost</span> <span word="of">of</span> 以……为代价 <span word="at">at</span> <span word="a">a</span> <span word="cost">cost</span> <span word="of">of</span> 以……的费用/价格 <span word="at">at</span> <span word="any">any</span> <span word="cost">cost</span>以任何代价 <span word="to">to</span> <span word="one">one</span>’<span word="s">s</span> <span word="cost">cost</span> 使某人遭受损失</p><p> 重点短语 重点句型 重点单词 <span word="He">He</span> <span word="saved">saved</span> <span word="his">his</span> <span word="son">son</span> <span word="from">from</span> <span word="drowning">drowning</span> <span word="but">but</span> <span word="only">only</span> <span word="at">at</span> <span word="the">the</span> <span word="cost">cost</span> <span word="of">of</span> <span word="his">his</span> <span word="own">own</span> <span word="life">life</span>.他救了溺水的儿子,但自己却丢了性命。 <span word="It">It</span>’<span word="s">s</span> <span word="not">not</span> <span word="worth">worth</span> <span word="arguing">arguing</span> <span word="with">with</span> <span word="him">him</span> <span word="as">as</span> <span word="I">I</span> <span word="have">have</span> <span word="learnt">learnt</span> <span word="to">to</span> <span word="my">my</span> <span word="cost">cost</span>.和他争论是不值得的,因为我已经尝过苦头了。 ◆特别提醒 <span word="cost">cost</span>的过去式及过去分词都是<span word="cost">cost</span>,并且<span word="cost">cost</span>不能用于被动语态。 ◆现学活用 用<span word="cost">cost</span>的相关短语完成句子 1.我们无论如何得找到丢失的文件。 <span word="We">We</span> <span word="must">must</span> <span word="find">find</span> <span word="the">the</span> <span word="missing">missing</span> <span word="document">document</span> <span word="at">at</span> <span word="all">all</span> <span word="costs">costs</span>.2.那只可怜的小狐狸逃出了陷阱,却失去了一条腿。 <span word="The">The</span> <span word="poor">poor</span> <span word="fox">fox</span> <span word="escaped">escaped</span> <span word="from">from</span> <span word="the">the</span> <span word="trap">trap</span> <span word="at">at</span> <span word="the">the</span> <span word="cost">cost</span> <span word="of">of</span> <span word="a">a</span> <span word="leg">leg</span>. </p><p> 重点短语 重点句型 重点单词 ❸<span word="get">get</span> <span word="down">down</span> <span word="to">to</span>开始;着手做 <span word="I">I</span> <span word="decided">decided</span> <span word="not">not</span> <span word="to">to</span> <span word="put">put</span> <span word="off">off</span> <span word="studying">studying</span> (<span word="as">as</span> <span word="I">I</span> <span word="normally">normally</span> <span word="do">do</span>!) <span word="and">and</span> <span word="got">got</span> <span word="up">up</span> <span word="early">early</span> <span word="every">every</span> <span word="morning">morning</span> <span word="to">to</span> <span word="get">get</span> <span word="down">down</span> <span word="to">to</span> <span word="work">work</span> <span word="straight">straight</span> <span word="away">away</span>.我决定不再(像往常那样)拖延学习,而是每天早晨早早起床后就立刻投入到学习中去。(教材原句<span word="P">P</span>37) ◆常见用法 <span word="get">get</span> <span word="down">down</span> <span word="to">to</span> <span word="sth">sth</span>.开始认真对待;言归正传 <span word="get">get</span> <span word="down">down</span> <span word="to">to</span> <span word="doing">doing</span> <span word="sth">sth</span>.开始做某事;着手做某事 <span word="Stop">Stop</span> <span word="kidding">kidding</span>.<span word="Let">Let</span>’<span word="s">s</span> <span word="get">get</span> <span word="down">down</span> <span word="to">to</span> <span word="business">business</span>.别开玩笑了,我们办正经事吧。<span word="I">I</span>’<span word="m">m</span> <span word="going">going</span> <span word="to">to</span> <span word="get">get</span> <span word="down">down</span> <span word="to">to</span> <span word="studying">studying</span> <span word="English">English</span> <span word="this">this</span> <span word="term">term</span>.这学期我要开始认真学英语了。 </p>
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