2010年高三英语第二轮专题知识练习-常见易混句型辨析.doc

2010年高考英语二轮专项复习-常见易混句型辨析 2001年高考中有这么一道单项选择题： 　　　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： （2004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???????????????? (D) (NMET1995)____ is a fact that English is being accepted as an international language. A. There?? B. This??? C. That??? D. It?????????????????????? (D) 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：(2004北京) ________ is reported in the newspaper, talks between the two countries are making progress. A. It?????? B. As????????? C. That????????? D. What?????????? (B) (2004江苏)________ is often the case, we have worked out the production plan. A. Which???????? B. When??????? C. What??????? D. As????????? (D) (1999上海)?????? is mentioned above, the number of the students in senior high school is increasing.?? A. Which??? B. As??? C. That??? D. It??? (B) 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，不但在单项选择题中出现，而且在短文改错中，完型填空中也有涉及。笔者连续任教高三毕业班，根据对教材，《教学大纲》、《考试大纲》以及对历年的特别是近６年的练习题、高考模拟题、高考试题进行分 析、研究和归纳，总结出以下常见易混句型，加以辨析，供同学们参考，不足之处请同行指正。 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. ???????? A. since??? B. that???? C. when??? D. before 辨析：(1)题答案为D.意为“过了三年，他才回来。”It在此表时间，特别注意，主、从句时态的一致。再如：But it will be more than 100years before the country begins once again to look as it did before.(SEFC, SB2A ,P64)此复合句中的从句中用一般现在时表将来动作。 (2004福建)Scientists say it may be five or six years ______ it is possible to test this medicine on human patients. A. since?? B. af