【单选题】高斯定理 ( )
C.
只适用于具有球对称性、轴对称性和平面对称性的静电场
D.
只适用于虽然不具有C中所述的对称性,但可以找到合适的高斯面的静电场
【判断题】GPS and “telematics” will make it possible to build smart highways, which will benefit us in more than one way.
【单选题】电子秤的微处理器的主要功能是将数字信号按一定程序进行处理,将其结果传给显示器或( )。
【单选题】Which of the followings is NOT mentioned as a way against traffic accidents?
B.
Stricter driving tests.
C.
first drivers every three years.
D.
Raise age limit and lay down safety specifications.
【单选题】经常带婴幼儿到街心公园参与同伴的活动,与同伴一起背诵儿歌,做游戏等,可以使婴幼儿( )。
【简答题】5月4日,以库存现金150元为公司购买办公用品。(1)编写会计分录并说明该用哪一种会计凭证(收款、付款、转账)。(2)指出编制上述凭证时,一般要附哪些原始凭证。
【单选题】The best way Tom suggests one’s strength is to run for 30 minutes every day.