There is sugar in my coffee. It's too sweet.
用弹簧秤在水平方向上拉动一个置于地面的物体,使它做匀速直线运动时,弹簧秤示数为5 N.当弹簧秤示数为6 N时,物体运动时受到的摩擦力大小是()
补全对话
从方框中选择最佳选项完成对话, 有两项多余
A. Oh, I see.
B. They’re buying food and vegetables.
C. We’re having a good time.
D. some people aren’t shopping
E. Why are some of them going away in a hurry?
F. Thank you.
G. They are choosing and talking.
A: Look! There are many people in the shop. What are they doing?
B: ____
A: Yes, but____ in the shop. What are they doing in the shop?
B:____
A:____
B: Because they are leaving for home.