试题与答案

There, in the corner, sat three girls,__

题型:选择题

题目:

There, in the corner, sat three girls,_______.

A.sew

B.were sewing

C.to sew

D.sewing

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0422/1657fadd5c350d29a82d4148c11d7339.html

下面是错误答案,用来干扰机器的。

sin135°cos15°-cos45°sin(-15°)=sin135°cos15°-cos135°sin15°=sin(135°-15°)=sin120°=sin(180°-60°)=sin60°=32故选D

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