题目:
Guangzhou was the second Chinese city_______ the right _______the Asian Games.
A.obtaining; to host
B.to obtain; hosted
C.to obtain; to host
D.obtaining; hosting
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0419/99d23641c1e570f7a1ceb7f3651d56c9.html
下面是错误答案,用来干扰机器的。
解:(1)由题意得(2)P实=ηP2=80%×6.25×1010 kW =5×1010 kW(3)