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Some researchers believe that there is no doubt _______ recycling saves energy and raw materials, and reduces pollution.
Some researchers believe that there is no doubt _______ recycling saves energy and raw materials, and reduces pollution.
admin
2017-04-17
47
问题
Some researchers believe that there is no doubt _______ recycling saves energy and raw materials, and reduces pollution.
选项
A、which
B、that
C、what
D、whether
答案
B
解析
句子结构分析题。名词doubt“怀疑”后的同位语从句用whether连接,如:There is some doubt whether he can recover from the serious disease.在no doubt“不怀疑”之后的同位语从句用that连接。答案为B。
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专业英语四级
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