问题
单项选择题
奥氏体钢焊缝的内部缺陷宜选择（）检验方法。
A、超声探伤
B、射线探伤
C、磁粉探伤
D、渗透探伤
答案
参考答案：B
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奥氏体钢焊缝的内部缺陷宜选择（）检验方法。
A、超声探伤
B、射线探伤
C、磁粉探伤
D、渗透探伤
参考答案：B
| 从A-G 选项中选出能填入空白处的最佳选项，补全对话。（选项中有两项是多余的） | |
B: Hi, Tom! A: 1 B: It's fiom Karen. She moved to New York City last year. A: New York is a good place to live in. 2 B: That's right. She said she liked the.city very much. 3 A: Sounds wonderful! B: She invited me to go to New York in the letter. A: 4 B: I think so. Well, where are you going on holiday? A: 5 I can see the beautiful ice and snow there. B: Have a good trip! A: Thank you. | |
| 1. _____ 2. _____ 3. _____ 4. _____ 5. _____ |