届高英语大轮复习BookUnitFirstaid单元知识对点练(含解析)新人教版.docVIP

Unit 5　First aid Ⅰ.单项填空 1．The lack of eco-friendly habits among the public is thought to be a major________of global climate change. (2011·福建，26) A．result B．cause C．warning D．reflection 答案　B 解析　句意为：公众缺乏环境保护的习惯被认为是全球气候变化的一个主要原因。result结果；cause起因；warning警告，告诫；reflection反映。由语境和句意可知：lack是原因，change是结果。故B项正确。 2．I have a tight budget for the trip，so I’m not going to fly________the airlines lower ticket prices. A．once B．if C．after D．unless 答案　D 解析　句意为：我最近没钱旅行，所以如果航空公司不降价，我就不打算坐飞机了。unless除非，如果不。 3．All visitors to this village ________ with kindness. (2011·四川，9) A．treat B．are treated C．are treating D．had been treated 答案　B 解析　句意为：所有到达这个村庄的游客都受到了友好的招待。treat为一般现在时的主动语态；are treated为一般现在时的被动语态；are treating为现在进行时的主动语态；had been treated为过去完成时的被动语态。句子主语all visitors与谓语动词treat之间为被动关系。结合语境可确定用一般现在时的被动语态。 4．—Excuse me，may I use your car? —I’m sorry.I’m afraid I can’t________the car key just at the moment. A．rely on B．keep on C．put my hands on D．hold on 答案　C 解析　句意为：——打扰一下，我可以用一下你的车吗？——对不起，恐怕我不能马上找到车钥匙。 put one’s hands on意为“找到”，符合句意。rely on依靠；keep on 继续；hold on别挂断，稍等。 5．I think it is________that she should pass the exam if she wants to get an opportunity. A．urgent B．normal C．essential D．gifted 答案　C 解析　根据后面宾语从句的结构可以判断出所填的词必须具有能使其后的从句是虚拟语气的功能，四个词中只有essential“必不可少的”有此用法。It is essential that sb. should do sth.。 6．Every individual’s effort will make a________to environment protection. A．sense B．difference C．mistake D．use 答案　B 解析　make a difference意为“有影响，有关系，起(重要)作用”。句意为：每个人的努力对环保都产生影响。 7．The boy is late________，which，of course，made his teachers very angry. A．over and over again B．more or less C．sooner or later D．here and there 答案　A 解析　over and over again意为“反复，多次”。句意为：这个小孩一再迟到，这当然令他的老师很生气。more or less或多或少，大体上；sooner or later迟早，早晚；here and there到处。 8．Obama’s success in presidential election proves that the color of one’s skin shouldn’t be a________to success. A．barrier B．behavior C