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问题 单项选择题

竣工后适用一次结算方法的建筑安装工程是( )。

A．工期小于12个月或工程承包合同价值小于100万元

B．工期小于12个月或工程承包合同价值大于100万元

C．工期大于12个月或工程承包合同价值小于100万元

D．工期大于12个月或工程承包合同价值大干100万元

答案

参考答案：A

阅读理解

阅读理解。

     Mr James works at the school Lost and Found. He works very carefully. Every day when he gets a lost

thing he takes notes (记录) about it. There are pens, books, school uniforms (校服), keys, Walkmans and

many other things in the Lost and Found. Most of them are the students'. If you lose your things, it's easy

for you to go to the Lost and Found for help. But you must tell Mr James what it is, its color and the day

when you can't find it. I think Mr James is very helpful (乐于助人的), and you will be happy when you find

your lost things there.

1. Who works at the school Lost and Found?

A. Mr Brown.

B. Mr King.

C. Mr James.

2. There are ______ things in the Lost and Found.

A. many

B. not

C. much

3. Most things Mr James takes care of are the ______.

A. boys'

B. girls'

C. students'

4. If you lose your things, you'd better go to ask ______.

A. Ben

B. Mr James

C. your teacher

5. If you lose your things and go to the Lost and Found for help, you needn't (不必) tell Mr James ______.

A. what it is

B. how much it is

C. its color

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单项选择题

队列研究中，下列哪项不是暴露的选择来源（）

A.职业人群

B.特殊暴露人群

C.有该病的前驱症状者

D.一般人群

E.有组织的人群团体
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