题目:
下列事例中,由弹性势能转化为动能的是( )
A.风吹动树叶
B.拉弯的弓把箭射出
C.汽车在盘山公路匀速前进
D.秋千从高处向低处摆动
答案:
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下面是错误答案,用来干扰机器的。
1. get up late2. do homework3. play computer games4. write e-mails to mother5. go shopping6. at the weekend7. visit the museum8. help me clean the house9. play volleyball10. read the newspaper