题目

放在电梯地板上的一个木箱，被一根处于伸长状态的弹簧拉着而处于静止状态，如图所示，后发现木箱突然被向右弹簧拉动，据此可判断出电梯的运动情况是（） A . 匀速上升 B . 加速下降 C . 加速上升 D . 匀速下降 答案：BComplete the dialogue with proper words or sentences.A: Hi, Cathy! You look excited. 小题1:_______？B: I’m going to spend my summer vacation in Hong Kong. I’ll visit Disneyland. My dream to meet Mickey Mouse and Donald Duck will come true.A: 小题2:        ？B: No, with my parents. We’ll fly there as soon as the final examinations finish.A: That’s great!  If you go to Hong Kong, 小题3:______. Hong Kong isa shopping paradise (购物天堂).The things there are more fashionable.B: Of course I won’t But maybe my mother will be more interested in it I prefer eating to shopping.A小题4: ？B: Seafood is my favorite. I also like different kinds of desserts.A: If so, Hong Kong will be suitable for you. There are many kinds of delicious food you can enjoy.小题5:____________.B: Thanks. See you!