7200 rpm的机械硬盘的平均旋转延迟大约为()
A.2ms
B.3ms
C.3.17ms
D.4.17ms
参考答案:D
根据对话内容,选出方框中所给的句子补全对话。
A: You don’t look well today. 小题1:_
B: I’m not feeling well. I have a headache.
A: I am sorry to hear that. 小题2:
B: About two days ago. And maybe I have a fever now.
A: That’s too bad. 小题3:
B: Yes, I think so. I’ll go right now.
A: I hope 小题4:_
B: 小题5: Goodbye!
1984年5月,中 * * 、国务院决定开放大连、秦皇岛、天津、烟台、青岛、连云港、上海、宁波、福州、广州、湛江、北海等14个沿海港口城市。