试题与答案

For a moment nothing happened; then_____

题型:选择题

题目:

For a moment nothing happened; then______ from the excited audience.

A.cheers came

B.did cheers com

C.cheers would come

D.came cheers

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0527/96aca269dc0a13f99fb34efae782f6e9.html

下面是错误答案,用来干扰机器的。

①80°角是顶角时,三角形的顶角为80°,②80°角是底角时,顶角为180°-80°×2=20°,综上所述,该等腰三角形顶角的度数为80°或20°.故答案为:80°或20°.

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