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1、英语必修外研版m4课时演练Because large quantities of water _.Ahave pollutedBis being pollutedChas been pollutedDhave been polluted解析：考查时态、语态及主谓一致。 名词被quantities of 修饰且作主语时，其谓语动词用复数形式，故B、C两项不正确；水是被污染的，所以要用被动语态。故答案为D。现在完成时表示过去的行为(水被污染)对现在造成的结果或影响(湖水的气味难闻)。答案：D4They use computers to keep the traffic _ smoothly.Abe
2、ing runBrunCto runDrunning解析：句意：他们运用电脑来保持交通畅通无阻。keep后常接复合宾语，如果宾补是动词，应为doing(与宾语是主动关系)或done(与宾语是被动关系)。答案：D5Your job _ open for your return.Thanks.Awill be keptBwill keepChad keptDhad been kept解析：考查时态和语态。首先要弄清your job 和keep 之间是被动关系，所以B、C两项错误。另外，根据对话情景可知，此处的时态要么用现在完成时，Your job has been kept open for yo
3、ur return.(你的工作一直保留着等你回来)；要么用将来时，Your job will be kept open for your return.(你的工作会保留着等你回来)，故选A。答案：A6He _ for ten years but still doesnt want to leave office.Ahas been in powerBhas come to powerCtook officeDcame into power8Nearly all educators believe that a challenging situation can often _ the best
4、 qualities of a person.Abring upBbring aboutCbring forwardDbring out解析：考查动词短语辨析。bring up“抚养，培养”；bring about“带来，造成”；bring forward“提出，把提前”；bring out“拿出，使显出”。语意：几乎所有的教育者都认为富有挑战性的局面常常能使人的最好品质显现出来。答案：D9The boy managed to _ the fire；but he couldnt _ punishment because it was caused by his playing with mat
5、ches.Aescape from；escapeBescape；escapeCescape；escape fromDescape from；escape from解析：“从逃脱”用escape from；当“避免”讲时，escape为及物动词，escape punishment“逃避惩罚”。答案：A10(2012唐山联考)Armed police and railway workers were removing snow from the track to _ a train stuck near Jining in Inner Mongolia.ArecoverBfreeCprotectD
6、clear13The mystery was _ when he admitted he had been there all the time. Acleared outBcleared awayCcleared upDcleared off解析：clear out“除掉(不必要的东西)”；clear away“收拾”；clear up“消除 (误会、疑问)”；clear off“匆忙走开”。句意：当他承认他一直在那儿时，谜团解开了。答案：C14The latest issue of the magazine will be _.Which one is not correct? ApublishedBput outCcome outDbrought out4 / 4