什么是变质岩?变质岩有哪些主要矿物、结构和构造?常见变质岩的鉴别特征是什么?

题型:问答题 简答题

问题:

什么是变质岩?变质岩有哪些主要矿物、结构和构造?常见变质岩的鉴别特征是什么?

考点:土木建筑工程工程地质工程地质题库
题型:问答题 简答题

注射液的配制过程中,需控制主药的稳定性和进行热原检查。

进行质量检查时,发现热原不合格,原因不可能是

A.实验操作不当

B.原料污染

C.活性炭吸附,用量不够

D.容器、用具、管道、装置污染

E.注射液的酸碱度

题型:问答题 简答题

承运人对货物的表面状况另加有货物及包装缺陷的批注的提单是()。

A.清洁提单

B.不清洁提单

C.记名提单

D.指示提单

题型:问答题 简答题

AD199系列机型安装选购件后可实现装订功能。

题型:问答题 简答题

双机吊装时,为了确保吊装时安全可靠,各起重机分配的载荷不宜超过其安全起重量的()。

A、50%

B、60%

C、75%

D、80%

题型:问答题 简答题

In the New York street a small truck hit a big tree. The truck was full of glasses and they were all (41) now. The driver came out of the truck and looked at the broken glasses. He was very (42) . And people in the street were (43) for him.
Then an old man walked to the driver, looked at him for a few (44) and said, "My poor boy, I think you must (45) a lot for it."
"Yes, "was the bad answer.
"Well, "said the old man," hold out your (46) . Here’s some money for you, and I hope all the people around here will give you (47) ,too. "With these words, he walked away.
The driver held out his hat and over a hundred people came and put their money in it. At last the driver (48) a bag and put all the (49) in. Then he looked at the people and said, "Thank you very much. I’m working for that old man and all these (50) are made in his factory. \

[A] broke [B] broken [C] right

更多题库