单选题：The heat released by burning oil and coal is the direct caus

题目内容：

The heat released by burning oil and coal is the direct cause of global warming. A．Right
B．Wrong
C．Not mentioned

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答案解析：

请在第(53)处填上正确答案

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There is no need for a manager to find out the merits of his employees.A．Right B

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Thus the most logical approach is to focus our analysis on the trade relations o

分类：理工类题型：单选题

分类：理工类题型：单选题