搜题请搜索小程序“爱下问搜题”
问题 问答题

通草小球在带正电的物体附近被排斥，则小球______．

A．一定带正电    B．一定带负电     C．可能带负电      D．一定不带电．

答案

通草小球在带正电的物体附近被排斥，根据同种电荷相互排斥，通草小球一定带正电．

故选A．

选择题

Mary is very clever and_____ worth teaching , but her brother is not .Look he is now _____ asleep in class.

A．very ; very

B．much ; very

C．well ; very

D．well ; fast
查看答案
选择题

Jim is a good son. He never _______ to write to his mother every month.

A．fails

B．misses

C．loses

D．forgets
查看答案