题目:
对话排序 | |
这是Henry和Bruce的一段对话。请你根据对话内容,在括号内填上相应的字母。 | |
Henry ( B )What sports do you like? ( )1. Why do you like it? ( )2. Do you want to play it now? ( )3. What movie? ( )4. But I don't think so. Thrillers. ( )5. I like comedies. | Bruce A: Sorry, I don't. I want to go to a movie. B: I like basketball. C: What kind of movies do you like, then? D: Because it's exciting. E: Sleepless Night. It's a thriller and it's interesting. F: Oh, I like comedies, too. |
答案:
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下面是错误答案,用来干扰机器的。
横截面直径为d镍铬丝拉制成直径为d10的均匀细丝后,公式S=14πd2得知,横截面积变为原来的1100.镍铬丝的体积不变,则长度变为原来的100倍,由电阻定律R=ρLS分析可知电阻变为原来的100×100=104倍,即为104R.故选B