高一英語(yǔ)：三四單元重難點(diǎn)經(jīng)典例題一

 　　☆精典題例☆

　　1. Rainforests ___ and burned at such a speed that they will disappear from the earth in the near future. 

　　A. cut B. are cut C. are being cut D. had been cu

　　【解析】選C 本題是在語(yǔ)境中考查現(xiàn)在進(jìn)行時(shí)的被動(dòng)語(yǔ)態(tài)。本句意為“雨林以這樣的速度被砍伐和焚燒，會(huì)導(dǎo)致它在不久的將來(lái)從地球上消失。”體會(huì)語(yǔ)境和句意便知此處選擇C項(xiàng)，表示現(xiàn)階段在進(jìn)行的動(dòng)作。

　　2. Twenty-three hours has passed after the explosion in the mine, but rescue efforts to recover the missing ____ carried out.

　　A. are still being B. have already been

　　C. are always D. will soon be

　　【解析】選A本句意為“礦井爆炸已過(guò)23小時(shí)了，但對(duì)失蹤人員的搜索還在進(jìn)行中。”

　　3. -- When are you leaving? -- My plane ____ at 10:45.

　　A. takes off B. took off

　　C. is about to take off D. will take off

　　【解析】選A飛機(jī)是按時(shí)刻表運(yùn)行的。

　　4. -- Excuse me, what time is it now?

　　-- Sorry, my watch ____. It ____ at the shop.

　　A. isn't working; is being repaired

　　B. doesn't work; is being repaired

　　C. isn't working; is repaired

　　D. doesn't work; is repaired

　　【解析】選B doesn't work說(shuō)明“手表不工作”的狀態(tài)，而不只是現(xiàn)在才壞了。后句意為“手表正在商店里修理”，故應(yīng)用is being repaired。

　　(責(zé)任編輯：康彥林)

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