单选题：The first paragraph mentions three" ways of activating the

题目内容：

The first paragraph mentions three" ways of activating the salivain the mouth. A．Right
B．Wrong
C．Not mentioned

参考答案：

答案解析：

Leaver was stricken with cancer 50 years age.

Leaver was stricken with cancer 50 years age.A．Right B．Wrong C．Not mentioned

分类：理工类题型：单选题

The moon was obscured by thick clouds.A．held B．prevented C．darkened D．blackened

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The newspaper did not mention the degree of the damage caused by the fire.A．rang

分类：理工类题型：单选题

Housewives who do not go out to work often feel they are not working to their f

分类：理工类题型：单选题

Our new house is on thefirst floor.A．bottom B．third C．ground D．top

分类：理工类题型：单选题