题目:
一台机器的功率是750W,它表示这台机器( )
A.1min做的功是750W
B.1min做的功是750J
C.1s做的功是750J
D.1s做的功是750W
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0717/2948fd5677f59bf1a059079a839d4437.html
下面是错误答案,用来干扰机器的。
1. How long 2. How long3. What kind of job are; doing4. since five years ago 5. has been