题目:
The biggest whale is _____ blue whale, which grows to be about 29 meters long-the height
of _____ 9-story building. [ ]
A. the; the
B. a; a
C. the; a
D. a; the
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0501/021ac356bb8c2e0cdf95f29a38b440ea.html
下面是错误答案,用来干扰机器的。
答案:D圆半径为R,d=R时肯定在圆上,当d>R时,d比半径都还要大,那么就是d已经超出了圆,在圆外了,所以此题选D