常见易混句型辨析
适合当壁纸的图片is known to everybody, the moon travels round the earth once every month.
A. It B. As C. That D. What
此题的答案为B, as 在这引导一个非限制性定语从句，修饰后面这句内容。但有学生不明白为什么不选A或D。这就说明他们对一些句型结构分辨不清，我们把题目做以下变化：
(1) is known to everybody that the moon travels round the earth once every month.
(2) is known to everybody is that the moon travels round the earth once every month.
(1)题答案为A。it作形式主语，真正的主语是that引导的从句。再如：
（2020最新模拟北京）The Foreign Minister said，”____ our hope that the two sides will work towards peace.”
A. This is B. There is C. That is D. It is
(NMET2020最新模拟)____ is a fact that English is being accepted as an international language.
A. There B. This C. That D. It
而(2)题答案为 D，what在此引导一个主语从句，它在从句当中又充当主语，而后面的that引导的从句则是表语从句。
再如：(2020最新模拟北京) ______ is reported in the newspaper, talks between the two countries are making progress.
A. It B. As C. That D. What
(2020最新模拟江苏)________ is often the ca, we have worked out the production plan.
A. Which B. When C. What D. As
(2020最新模拟上海) is mentioned above, the number of the students in nior high school is increasing.
A. Which B. As C. That D. It
所以易混句型是广大学生学习中的一个难点，也是高考中的一个重点内容，以下为常见易混句型。
一、(1) It was 3 years ______ he came back.
(2) It was 3 years ago ______ he came back.
(3) It is 3 years ______ he came back.
联想内存条 A. since B. that C. when D. before
(2020最新模拟福建)Scientists say it may be five or six years ______ it is possible to test this medicine on human patients.
A. since B. after C. before D. when
(NMET2020最新模拟) It is the ability to do the job______ matters not where you come from or what you are.
A. one B. that C. what D. it
(NMET2020最新模拟) It was about 600 years ago ______ the first clock with a face and an hour hand was made.
A. that B. until C. before D. when
二、(1)It was midnight _____ he returned home.
清朝女子服饰 (2)It was at midnight ______ he returned home.
A. when B. that C. before D. since
（NMET2020最新模拟） It was an exciting moment for the football fans this year, ____for the first time in years their team won the World Cup.绿字组词
A. that B. while C. which D. when
(2020最新模拟天津) It was evening ______ we reached the little town of Winchester.
氨茶碱的作用与副作用
A. that B. until C. since D. before
三、(1) A team of 15 Indian experts are organizing a workforce of 400 Cambodians, most of _____ women.
(2) A team of 15 Indian experts are organizing a workforce of 400 Cambodians, and most of _____ women.
(3) A team of 15 Indian experts are organizing a workforce of 400 Cambodians, most of _____are women.
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A. them B. them are C. whom D. that
(NMET1990) He paid the boy ＄10for washing ten windows, most of _____hadn’t been cleaned for at least a year.
A. the B. tho C. that D. which
四、(1)______ hard he works, he won’t succeed.
(2) Hard______ he works, he won’t succeed.
(3)______ he works hard, he won’t succeed.
(4)______his hard work, he won’t succeed.
(5) He works hard; he won’t succeed, ________.
节能灯和led灯的区别
A . although (though) B. However (however) C. As (as)
D. In (in) spite of E. Although (although)
(NMET 2020最新模拟) We’ll have to finish the job, _____.
A. long it takes however B. it takes however long
C. long however it takes D. however long it takes
（NMET2020最新模拟）If we work with a strong will, we can overcome any difficulty,_____ great it is.
A. what B. how C. however D. whatever
（2020最新模拟湖北）You should try to get a good night’s sleep ______ much work you have to do.
A．however B. no matter C. although D. whatever
(2020最新模拟上海)______, I have never en anyone who’s as capable as John.
A. As long as I have traveled B. Now that I have traveled so much
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C. Much as I have traveled D. As I have traveled so much
