蓄电池正极柱上通常涂()。A.红色 B.蓝色 C.绿色 D.黑色

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问题:

蓄电池正极柱上通常涂()。

A.红色

B.蓝色

C.绿色

D.黑色

考点:铁路机车维修考试铁路机车维修考试题库
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阅读下面短文,用括号内所给动词的适当形式填空(必要时可加助动词或情态动词)。

     My name is John. I live in London, but I was born in Sydney, Australia. We (1)_______ (move) to

England two years ago when my dad got a new job here. I didn't want (2)_______ (leave) Australia because

I had a great life there. I had lots of friends and we went (3)_______(swim) almost every day after school.

And the weather was always great. I didn't like the life in London when we arrived at the beginning. I didn't

have any friends. I looked forward to (4)______ (return) to Australia. It was still winter, so the weather

(5) _______ (not be) very nice - it was really cold and it rained all the time! I (6) ______ (feel ) lonely and

wanted to go back to Australia. Things got better when I started school. All the kids at school were friendly

to me.

     Now I like living here. I have a new friend (7) ______ (name) Ben. At weekends, he usually (8) ______

(see) my grandparents with me. My parents like him very much. I think we (9) _______ (become) the best

friends in the future. How beautiful and great London (10) ______ (be)!

题型:单项选择题

角膜曲率半径为()。

A.7.8mm

B.10.5~11mm

C.11.5~12mm

D.12~14mm

E.16mm

题型:单项选择题

HTML中的注解用()来标记。

A. 

B./**/ 

C.// 

D.‘‘

题型:单项选择题

每个入境旅客必须主动填写( ),自觉申报。

A.《入境检疫申明卡》

B.《入境健康申明卡》

C.《入境检验申明卡》

D.《入境检疫申报卡》

题型:单项选择题

招标投标活动的()原则首先要求招标活动的信息公开。

A.公开

B.公平

C.公正

D.诚实信用

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