题目内容：
[A] If [B] While
[C] Hence
[D] Because
参考答案：
答案解析：
单选题：[A] If [B] While [C] Hence[D] Because
- 题目分类：英语六级
- 题目类型：单选题
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[B] While
[C] Hence
[D] Because
[B] While
[C] Hence
[D] Because
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8. It is extremely harmful to think that humanity and the na
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The underlined word " futile" (in paragraph 2) most probably
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