Air pollution is getting more and more serious, so we must take action it is too late.
- A.
before
- B.
after
- C.
until
- D.
when
A
試題分析:句意:空氣污染越來(lái)越嚴(yán)重,所以我們必須在它很晚之前采取措施。before 在……之前; after在……之后; until直到……為止; when在……時(shí)候。根據(jù)句意故選A。
考點(diǎn):考查連詞的用法。
點(diǎn)評(píng):本題難度適中。判斷從句中用哪個(gè)連詞,需用記住連詞的用法,在句中的作用,連詞也是高考的熱點(diǎn),需要考生平時(shí)多練習(xí)。需要考生會(huì)分析句子成分理解句意。
即學(xué)即練:I didn't wake up I heard the alarm clock.
A. before B. after C. until D. when
解析C。句意:直到聽(tīng)到鬧鐘的鈴聲我才醒來(lái)。
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