题型:填空题 情景选择。1. 当你想看同学的铅笔时,该怎么说呢? [ ]A. Look at your pencil.B. May I have a look at your pencil?C. Do I have your pencil?2. 今天你们班大扫除,你该怎样给同学们说呢?[ ]A. Let's clean the classroom.B. Our classroom is nice.C. What colour is your desk? 查看答案
题型:填空题 在如图1所示的电路中,电池均相同,当电键S分别置于a、b两处时,导线MM′与NN′之间的安培力的大小分别为Fa、Fb,可判断这两段导线( )A.相互吸引,Fa>Fb B.相互排斥,Fa>FbC.相互吸引,Fa<FbD.相互排斥,Fa<Fb 查看答案