is known to all is that the Diaoyu Islands have belonged to China since
题型：不详难度：来源：
| is known to all is that the Diaoyu Islands have belonged to China since ancient times. |
答案
| C |
解析
试题分析：句意：我们都知道钓鱼岛自从古代就属于中国。That在主语从句中不做成分，只起连接是作用；这里缺少主语从句的连词，并且连词在句中做主语，根据句意故选C。
点评：本题难度适中。主语从句是一个重要的语法点，主语从句是中学阶段的重点语法项目,也是高考的热点之一。
即学即练： he was successful is still a puzzle.
A. As B. How C. What D. That
解析B。句意：他是如何成功的仍然是个谜。 |
举一反三
________ in the school regulations that students should not wear long hair or jewels.| A．It is required | B．What is required | | C．What requires | D．It required |
|
_____she become an artist may have been due to her father”s influence.
A,what B,how C,that D,when |
______leaves the room last ought to turn off the lights.
A,The person B,whoever C,Who D,Anyone |
______is estimated that a round-trip to Mars would take more than a year.
A,That B,what C,There D,It |
_____is today Britain used to be three different countries,and over many years the three countries became one.
A,It B,What C,Where D,As |
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