
提问人:网友c********1
发布时间:2022年4月14日 22:50
[判断题]
小学数学教师要对小学阶段各年级教材的编排体系有比较清晰的了解。


Which of the following sentences is incorrect?
B. They cost twenty yuan each.
C . C. Each they have bought the same book.D .
D. They were given two magazines each.
某静电场的电场线分布如图所示,P、Q为该电场中的两点。下列说法正确的是 ( )