用蓄热法施工不加热的是()。A.水 B.砂子 C.石子 D.水泥

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问题:

用蓄热法施工不加热的是()。

A.水

B.砂子

C.石子

D.水泥

考点:铁路桥梁工初级铁路桥梁工初级铁路桥梁工题库
题型:单项选择题

下列有关组成细胞的物质的叙述正确的是[ ]

A.乳糖是所有动物细胞中的二糖

B.DNA水解的最终产物包含六种有机小分子

C.每个细胞中的水都以自由水和结合水两种形式存在

D.构成细胞膜的成分是蛋白质与磷脂

题型:单项选择题

计算:[(3x﹣2y)2(3x+2y)2﹣(9x2+4y22]÷(﹣16xy)2

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A traveller was staying in an Egyptian village. One day, she held up her camera to take pictures of the children. Suddenly the young ones began to shout at her. The traveller's face turned red and she apologized to the head for what she was doing, and told him she had forgotten that people in some places believed a person would lose his soul if his picture was taken. She explained to him the operation of a camera for a long time. Several times the head tried to say something, but he couldn't. When she believed that the head didn't fear any longer, the traveller then let him speak. With a smile, he said, "The children were trying to tell you that you forgot to take off the lens(镜头) cap!"  

1. The children shouted when the traveller was taking pictures of them because _______.

A. they didn't want to stop playing                 

B. the traveller forgot to take off the cap on her head

C. they didn't want to have their pictures taken 

D. the traveller was not doing well with her camera

2. The traveller made an apology to the head because _______.

A. she thought it was not right to take people's pictures without telling them beforehand.

B. the children would lose their souls   

C. she had stayed in the village too long

D. she didn't take a picture of the head first

3. When the head smiled, it's clear that _______ .

A. the children wanted to play with her                       

B. the traveller didn't know what the children meant

C. he wanted the traveller to tell him something else

D. the traveller didn't let him speak

4. Which of the following is NOT right?

A. The traveller knew something about people in some countries.

B. The children wouldn't mind if the traveller took pictures of them.

C. The head was afraid that the traveller's camera would hurt the children.

D. The traveller didn't understand why the children shouted.

题型:单项选择题

关于国际社会主义运动的历史,下列组合不正确的是[ ]

A.马克思、恩格斯——发表《 * * 党宣言》

B.列宁——颁布1936年苏联新宪法

C.斯大林——建立高度集中的经济政治体制。

D.邓 * * ——创立中国特色社会主义理论

题型:单项选择题

C300单槽位背板带宽为()G。

A.4

B.8

C.10

D.20

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