下列牌号中为马氏体不锈钢（）。 Ⅰ．0Cr13；Ⅱ．1Cr13；Ⅲ．2C

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问题单项选择题

下列牌号中为马氏体不锈钢（）。

Ⅰ．0Cr13；Ⅱ．1Cr13；Ⅲ．2Cr13；Ⅳ．3Cr13；Ⅴ．1Cr18Ni9；Ⅵ．1Cr17。

A．Ⅰ+Ⅱ+Ⅲ

B．Ⅰ+Ⅲ+Ⅵ

C．Ⅰ+Ⅱ+Ⅲ+Ⅵ

D．Ⅱ+Ⅲ+Ⅳ

答案

参考答案：D

填空题

根据句意和提示完成单词，使句子语法正确，意义通顺。

1．The house with a garden is so expensive that they can't a_________ it.

2．December is the t_________ month of a year.

3．Zhai Zhigang, Liu Boming and Jing Haipeng are our country's great h_________.

4．It is known that the Yellow River is the second l_________ river in China.

5．Chinese Medicine is very popular in many w_________ countries like the USA and England.

6．When I came into his home, he had finished _________ (阅读) the news report.

7．The problem is not very difficult, you can work it out _________ (易).

8．There are _________ (百) of people in the market.

9．Singing English songs made me more _________ (有趣的) in learning English.

10．I think the man with sunglasses is the _________ (受欢迎的) of all.

单项选择题 A1型题

局麻药中毒性最大的药是（）。

A.依替卡因

B.利多卡因

C.普鲁卡因

D.丁卡因

E.布比卡因