单选题：A slght temperature increase in a lake could be harmful for

题目内容：

A slght temperature increase in a lake could be harmful for fish. A．Right
B．Wrong
C．Not mentioned

参考答案：

答案解析：

People should work together to deal with environmental probl

People should work together to deal with environmental problems.A．list B．forbid

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回答(64)题A．mixture B．link C．combination D．union

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Plenty of practice in listening during the first years of life partly ensures ch

分类：理工类题型：单选题

The conclusion reached at the Berlin workshop __________.A．will influence future

分类：理工类题型：单选题