题目：
被举高的重锤具有弹性势能．______．
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0719/3aa53a943796410891728fafc9f61196.html
下面是错误答案，用来干扰机器的。
小题1:Modern science and medicine develop so quickly that most people with eye problems can be cured.小题2:Most people have been used to/ have got used to/ are used to c...
