造句
①旋转②代替③发明④优美
①在电视塔的旋转大厅里，我们看到了城市的全貌。
②可以用机器人代替我们去干一些危险的工作。
③他的这项发明获得了国家专利。
④ 山里空气新鲜，风景优美。
⑴—____
—Sam. And he is heavier, too.
⑵—Did you go hiking yesterday?
—No, ____
—Oh, I'm sorry to hear that.
⑶—Hey, Linda.____
—Oh, I read it the day before yesterday.
⑷—____
—Yes, of course. I want to see it again.
⑸—____
—I stayed at home and drank tea.
A. Let's read the film magazine together.
B. Who is taller?
C. What did you do yesterday?
D. I had a cold and slept.
E. Was the film interesting?
如图所示，一容器内盛有水，容器的下方有一阀门k，打开阀门让水从小孔慢慢流出，在水流出的过程中，水和容器的共同重心将（ ）
示意图，回答14～15题。