问题
单项选择题
散热器垫片材质当设计无要求时，应采用（）
A.耐热橡胶
B.紫铜片
C.石棉橡胶
D.耐热石棉
答案
参考答案：A
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散热器垫片材质当设计无要求时，应采用（）
A.耐热橡胶
B.紫铜片
C.石棉橡胶
D.耐热石棉
参考答案：A
| 根据对话内容从方框内的七个选项中选择五个适当的选项补全对话。 | |
| A: Sally are you free tomorrow evening? B: 1 _______ A: Why not go to the movies? B: 2_______ I like seeing movies very much. A: 3_______ B: Well, I like comedies because they are funny. What about you? A: I like them, too. I hear Mr. Bean is on. 4_______. B: Sure. Let's meet at seven o'clock tomorrow evening. A: Oh, it's a little earlier. B: 5_______. A: OK. See you tomorrow evening. B: See you.
|