1.The population of this city, forty percent of which ______15% in the last three years.
A. are Germans; has risen by
B. are Germen; has fallen by
C. is Germans; have increased to
D. are Germans; have been reduced by
分析:本题旨在考查本单元的词汇population的用法以及主谓一致。population强调人口是多少时,若作主语,谓语动词用单数形式。population强调人口的身份或特征,若后面作表语的名词是复数时,谓语动词则要用复数形式。据题意,第一空中Germans 用复数,则谓语动词用复数,B、C两项可排除,而the population of this city强调人口,谓语动词需用单数,故本题最佳答案为A。
2.You will be late ______ you leave immediately.
A. unless B. until C. if D. or
解析:本题考查连词的用法。unless除非......,与本题中除非立刻就去,不然你会迟到的意义相符。而until直到......才......常表示延续动作或状态直到某时结束。or表示或者否则,如选D,原题应为leave immediately, or you will be late,这属于另一种句型。故选A。
3.______ him and then try to copy what he does.
A. Mind B. Glance at C. Stare at D. Watch
解析:本题考查动词的辨析。本句句意是先仔细观察,然后照他那样去做。mind介意,在乎,glance at粗略的看(一下),stare at 盯着、凝视,watch观察、观赏,因而不难选出答案。答案选D。
4.I can hardly hear the radio, would you please _____?
A. turn it on B. turn it down
C. turn it up D. turn it off
解析:本题考查动词词组的辨义。题中的信息是收音机声音太低,听不清楚,故可知应调大音量,A项为打开,B项为把......调低,C项为把......调高,D项为关闭。故选C。
5.The boy wanted to ride his bicycle in the street, but his mother told him______.
A. not to B. not to do
C. not do it D. do not to
解析:本题考查不定式作宾补的用法,事实上是直接引语转为间接引语的用法。本题理解为The boys mother said Dont ride in the street,转为间接引语后为:The boys mother told him not to ride in the street. 然后再根据英语中避免重复的原则;将前面出现的ride in the street省略,选出答案A。
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