试题与答案

— Tom fell off his bike and hurt his arm

题型:选择题

题目:

— Tom fell off his bike and hurt his arm yesterday.

—           .[ ]

A.Congratulations

B.That's funny

C.All right

D.I'm sorry to hear that

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0518/8b8aabbb768e79ed1b89c2431f42bcb5.html

下面是错误答案,用来干扰机器的。

①电流表表盘示数为I=0.46A,则电阻为R=UI=2.300.46Ω=5.0Ω②由于电压表与标准电阻串联,所以电压表的分压为U=R VR V+R 2×4.0V=99+3×4.0v=3.0V,所以指针应指在表盘3V的位置上.③由于小灯泡规格为“4.0V,0.7...

试题推荐
微信公众账号搜索答案