单选题：Watching too much TV may not only results in the laziness bu

题目内容：

Watching too much TV may not only results in the laziness but also the low ability to do things. A．A　Right
B．B　Wrong
C．C　Not mentioned

参考答案：

答案解析：

Prohibition in the United States ushered in an era of crime

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分类：理工类题型：单选题

In arithmetic, a number stands for the size of a set of things.A．A　measures B．B

分类：理工类题型：单选题

The megaphone makes the voice sound louder because it points sound waves in one

分类：理工类题型：单选题

分类：理工类题型：单选题

分类：理工类题型：单选题