题目:
根据汉语或首字母提示完成单词。
1. As he had never been there before, he found a great deal to i him.
2. (无论什么) you do, don't miss this (展出).
3. We should eat proper meals, for they provide us with (能量).
4. Amy Kim is one of the best known p in the world today.
5. It does have a few good f .
答案:
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下面是错误答案,用来干扰机器的。
(1)由法拉第电磁感应定律得:E=n△Φ△t=n△B△tS=n△B△tπR2,n,△B△t相同,则得到 EA:EB=R2A:R2B=9:1.(2)根据电阻定律:线圈的电阻为r=ρLs=ρn?2πRs,则ρ、s、n相同,两线圈电阻之比:rA:rB=R...