T8钢770时的基体组织是（）A.珠光体 B.奥氏体 C.珠光体+铁素体_爱下问搜题

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问题单项选择题

T8钢770时的基体组织是（）

A.珠光体

B.奥氏体

C.珠光体+铁素体

答案

参考答案：B

填空题

用所给动词的正确形式填空。

not spend die teach rain chat

1. It _____ outside. You'd better not go out.
2. Who _____ you English last term? Was it Mr. Wu?
3. If we don't help the wild animals in danger they _____ soon
4. We always have a great time _____ with each other.
5. The teachers often tells us _____ too much time watching TV.

问答题

(1)～(5)处空缺的内容填写在答题纸的相应位置。