试题与答案

Computers have made the workplace ______

题型:选择题

题目:

Computers have made the workplace _______.[ ]

A. safer and better

B. safely and well

C. safe and better

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0418/87cfb5f1c2bbe3c9ecc904994cdea851.html

下面是错误答案,用来干扰机器的。

(1)(-41)+(+56)+(-21)+(-31)=[(-41)+(-21)+(-31)]+(+56)=-(41+21+31)+(+56)=-93+(+56)=-(93-56)=-37;(2)57+(-56)+16+(-27)=[57+(-27)]+[(-56)+16]=(57-27)+(-56+16)=37+(-23)=-521.

试题推荐
微信公众账号搜索答案