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问题 单项选择题

业主是投资主体，投资目的是要获得( )。

A．经济效益

B．社会效益

C．集体效益

D．投资效益

答案

参考答案：D

单项选择题 A1型题

引起急性阑尾炎的最重要的原因是（）

A.暴饮暴食

B.过度疲劳

C.饭后运动

D.阑尾腔梗阻

E.肠炎
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填空题
根据句意，从方框中选择适当的词，用其正确的形式填空。
in the box, found, an, it's, be, you, how, excuse, please, call, key
1. Is that _______ watch?
2. What _______ your telephone number?
3. Is that your book in the lost and _______ case?
4. Please _______ Gina at 236-5698.
5. —What's this?
    —_______ a pencil case.
6.  I lost a set of _______.
7. He has (有)_______ English book.
8. _______ do you spell "pen"?
9. _______ me! Is this your watch?
10.What's your name, _______?
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