The fact has worried many scientists the earth is becoming warmer and warmer these years．( )A．whichB．thatC．asD．what 题目和参考答案——青夏教育精英家教网—

题目内容

3．The fact has worried many scientists _____ the earth is becoming warmer and warmer these years．（　　）

A．

which

B．

that

C．

D．

what

分析这个事实，这些年地球变得越来越暖让许多科学家很担心．

解答答案：B．根据 the earth is becoming warmer and warmer these years可知整句是对前面The fact 的补充说明，是同位语从句，不缺成分，故选B．

点评本题考查同位语从句，在熟知同位语从句连接词，充分分析句型基础上便能选出正确答案．

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