61. Up to now, our society ______ with limited living space and a shortage of natural resources.
A. has been challenged B. is being challenged
C. is challenging D. has challenged
【答案】A
【解析】考查时态语态。句意:到目前为止,我们的社会一直面临着生存空间有限和自然资源匮乏的挑战。sb./sth. be challenged with sth.意为“某人/某物面临着……的挑战”,根据时间状语up to now可知,应用现在完成时。故答案选A。
62. The only language ______ is easy to learn is the mother tongue.
A. which B. that C. / D. it
【答案】B
【解析】考查定语从句。句意:只有母语是最容易学习的语言。该句是that引导的定语从句,修饰language,因为language用only修饰,故关系代词只能选that,不能用which。故答案选B。
63. We can’t ______ people to change the habits of their lifetime over a short time.
A. agree B. wait C. expect D. imagine
【答案】C
【解析】考查动词辨析。句意:我们不能指望人们在短时间内改变他们一生的习惯。agree同意;wait等待;expect期待,指望,料想,expect sb. to do sth.期望某人做某事;imagine想象。结合语境,故答案选C。
64. ______ trees have been planted near here, so the air is very fresh.
A. Two hundreds B. Hundred of C. Hundreds of D. Hundreds
【答案】C
【解析】考查数词。句意:这里附近种了几百棵树,所以空气很新鲜。hundred有两种用法,一种是数字直接加上hundred,表示具体的数字,比如two hundred两百;另一种是hundreds of数以百计的。故答案选C。
65. If you need any help during your study here, please do not _______ to ask.
A. hesitate B. force C. urge D. request
【答案】A
【解析】考查动词辨析。句意:如果你在这里学习期间需要任何帮助,请不要犹豫。hesitate犹豫;force强迫;urge催促;request要求。结合语境可知是不要犹豫去寻求帮助,故答案选A。
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