题目：
Write the word according to the meaning of the sentence.
1. Children like to take part in all kinds of a__________ after class.
2. I b__________ you can make it as long as you work hard enough.
3. Good hobbies can d__________ our interests.
4. I'm so shy a girl that I'm afraid to speak to f__________.
5. — He looks upset. What has h__________ to him?
—He lost his Hongbao, which contained 1000 yuan lucky money.
6. Don't open that envelope. It's a p__________ letter.
答案：
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下面是错误答案，用来干扰机器的。
A、B对甲图，断开开关时，L中电流要减小，就会产生自感电动势，相当于电源，自感电动势阻碍电流的减小，所以甲电路中灯泡将渐渐变暗，由于电流先从原先的值开始逐渐减小，灯泡中电流没有增大，所以灯泡不会变得更...
