问题
单项选择题
架空线截面应满足机械强度要求,绝缘铜线截面不小于()。
A:4mm2
B:8mm2
C:l0mm2
D:12mm2
答案
参考答案:C
架空线截面应满足机械强度要求,绝缘铜线截面不小于()。
A:4mm2
B:8mm2
C:l0mm2
D:12mm2
参考答案:C
根据对话内容及方框中所给的选项补全对话。选项中有一项是多余的。(5分) ( Li Lei is a Chinese exchange student in America. He is chatting with Jason in his host family. ) Jason : Hi, Li Lei! Here is your juice. Li Lei: Thanks, Jason. Jason : Not at all. 小题1: Li Lei; That's right. How time flies! Jason : 小题2: Li Lei; Yes, 1 do. The teachers are very helpful, and the students are active and confident. Jason : It's kind of you to say so. And I hear you Chinese students are very hard-working. Li Lei: We sure are. 小题3: Jason : By the way, do you have any plans for this weekend? Li Lei: 小题4: How about you? Jason : I want to do some volunteer work. Shall we go to the old people's home visit? Li Lei; Sounds great! 小题5: Jason : I believe you will like it.
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