问题
问答题 简答题
什么叫电压？
答案
参考答案：
电场力把单位正电荷以高电位点移动到低电位点所做的
功，称为两点间的电压。
搜题请搜索小程序“爱下问搜题”
什么叫电压？
参考答案：
电场力把单位正电荷以高电位点移动到低电位点所做的
功，称为两点间的电压。
| 完形填空。 |
| Hello, my name is Jack. I like sports. I have a good friend. 1 name is Mary Black. 2 is her family name. She also likes 3 . I have a basketball. We play 4 basketball in the afternoon. Mary 5 some ping-pong balls and I have ping-pong bats. We play ping-pong every day and we are in the ping-pong club of the school. |
| ( )1.A. His ( )2.A. Mary ( )3.A. food ( )4.A. a ( )5.A. has | B. She B. Black B. sports B. an B. plays | C. He C. Mary Black C. English C. the C. watches | D. Her D. Jack D. fruit D. \ D. looks |