Which of the following is NOT TRUE？
A. We have atoms all around us.
B. All atoms are moving.
C. There are millions of atoms in only one grain of salt.
D. When heated, an object will hold together and give its shape.
查看答案
Which of the following is TRUE？
A. The spaceship travels to its destination with its own fuel.
B. The booster separates and drops when all the fuel it carries has used up.
C. The multi-stage rocket is powerful enough to send the spaceship to its destination.
D. The spaceship gets out of the Earth's gravitation force and flies to its destination on its own.
When the atoms of an object leave their usual places, we say that the object is ______ .
A. becoming smaller
B. becoming hotter
C. changing places
D. melting
听力原文：Hello, may I make an appointment with Professor Jones？
(5)
A. Yes, you may.
B. How about tomorrow morning？
C. I'm glad to hear that.
D. I'm free this afternoon.
听力原文：W: Oh, your poor arm, what happened？
M: I broke it when I was playing football.
Q: What happened to the man？
(8)
A. He broke his arm.
B. He broke his leg.
C. He broke his foot.
D. He broke his football.
微信支付 
支付宝支付