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问题 单项选择题

设备综合管理学已经逐渐发展成为一门科学，现代的设备管理是以在寿命周期内 ( )为目标。

A．设备可靠性
B．降低维修费用
C．经济效益
D．技术管理

答案

参考答案：C

阅读理解

根据短文内容，选择正确答案。

      Mr. and Mrs. Green come from Australia. They are in Beijing now. Mr. Green is a teacher in a high school.

He teaches English. He likes reading and running. He isn't good at cooking. His son, Jim, is a student. He is on

the school football team. He likes playing football very much. He is the best football player in his class. He likes

school, too. He does his homework every day. Mrs. Green is a teacher, too. She can speak a little Chinese. She

likes Chinese food. She doesn't like doing housework at all, but she likes cooking. They all like China a lot.

1. Mr. and Mrs. Green are ______________.

A. Japanese

B. American

C. Australian

D. English

2. ______________ doesn't do well in cooking.

A. They

B. Tom

C. Mrs. Green

D. Mr. Green

3. ______________ can speak a little Chinese.

A. They

B. Tom

C. Mrs. Green

D. Mr. Green

4. Mrs. Green doesn't like ______________ at all.

A. Chinese food

B. teaching

C. doing housework

D. cooking

5. They all like ______________ very much.

A. China

B. Chinese food

C. playing

D. school
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选择题

人民网科技北京2008年3月1日电：今天下午16时13分10秒，嫦娥一号卫星在北京航天飞行控制中心的精确控制下，准确落于月球东经52.36度、南纬1.50度的预定撞击点，实现了预期目标，为我国探月一期工程画上了圆满的句号。在该中心的严密监视和精密控制下，嫦娥一号卫星安然度过了2008年2月21日、8月17日以及2009年2月9日3次月食考验。据图文资料，完成问题。

小题1:“嫦娥”一号可能探测到的月球环境特征是

A．昼夜温差大    B．宇宙射线弱      

盐沼分布广    D．土壤肥力强

小题2:图1中所示宇宙空间范围内共包括　　级天体系统，其中最高一级天体系统是　     　。

A．三， 银河系

B．两， 地月系

C．两， 太阳系

D．三， 太阳系小题3:嫦娥一号卫星安然度过三次月食考验，出现月食时，月球的位置在:

A．A处

B．B 处

C．C处

D．D处小题4:嫦娥一号卫星准确落于预定撞击点这天,下列说法正确的是:

A．太阳直射点在北半球并向南移动

B．赤道上昼夜平分

C．地球公转到远日点附近

D．20天后北京的正午太阳高度角将迎来一年中的最大值
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