2. Adjective+Noun form There was a (very) sudden/rapid/ +increase/jump/rise/decrease/drop/fall/fluctuation (注意:上述很多词不可用于修饰fluctuation) +in the number of XXX from (第一时间) to (第二时间) / between (第一时间) and (第二时间) data在某一个...
A number of后面应该接可数名词复数形式,而an amount of后面要接不可数名词,两者不能混淆。比如: (1) A number of options were suggested. (2) A certain amount of stress can be a good thing. 同时要注意a number of和the number of的区别,a number of相当于“几...
I hope ___ every one of us will enterthe ideal high school. A、when B、if C、whether D、/ (点击选项查看答案) hope后面应该接that引导的宾语从句,that在句中没有任何意义,可以省...
1. because of : because后接的是一个句子(主谓宾);because of 后一般直接跟名词。例如: ?Because of the increasing number of machine—and as we noted before, machines magnify human effort—then anyone using a machine can get a higher wage than anyone no...
1) a number of / numbers of + 可数名词复数 + 动词复数 可以理解为量词结构,a number of表示一些,numbers of表示大量。of后面的复数名词才是核心词,谓语动词因此总是复数 Manystudents arrived early, but only a number of them worked on their exercises...
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