2. This playground is four times as long as that one.(改为同义句)

This playground is three times _______ _______ that one.

1. You ought to send these things to the owner on time.(改为被动语态)

These things ought to _______ _______ to the owner on time.

Scientists have always wanted to know more about the universe. They’ve sent many spaceships to explore 　　1　 　planets in the solar system.

Years ago they knew 　　2　 　things about the moon. They knew how big it was and

　 　3　 　it was away from the earth. But they wanted to know more about it. They thought the best way was 　　4　 　something to the moon.

The moon is about 384 000 kilometers away from the 　　5　 . A plane cannot fly to the moon because the air reaches only 240 kilometers away from the earth. But something can fly even 　　6　 　there is no air. That’s a rocket.

How does a rocket fly? There is gas in the rocket. When the gas 　　7　 　very hot inside the rocket, it’ll rush out of the end of the rocket, 　8　 　it can make the rocket fly up into the sky.

Rockets can fly far out into 　　9　 . Rockets with men in them have been to the moon. Several rockets 　　10　 　men in them have flown to another planet much farther away than the moon. One day rockets may be able to go to any place in space.

(　 ) 1. A. another　　　　 　　　 B. other　　　　　　　　 C. others　　　　　　　 D. the other

(　 ) 2. A. much　　　　　　　　　 B. little　　　　　　　　 C. many　　　　　　　　 D. a lot

(　 ) 3. A. how long　　　　　　 B. what far　　　　　　 C. how much far　　 D. how far

(　 ) 4. A. sent　　　　　　　　　　 B. to send　　　　　　　 C. sending　　　　　　 D. send

(　 ) 5. A. earth　　　　　　　　　 B. sun　　　　　　　　　 C. Mars　　　　　　　　 D. planet

(　 ) 6. A. when　　　　　　　　　 B. if　　　　　　　　　　　 C. while　　　　　　　　 D. as

(　 ) 7. A. makes　　　　　　　　 B. made　　　　　　　　 C. was made　　　　　 D. is made

(　 ) 8. A. so　　　　　　　 　　　 B. or　　　　　　　　　　 C. but　　　　　　　　　 D. because

(　 ) 9. A. sky　　　　　　　　　　 　　　 B. universe　　　　　　 C. space　　　　　　　　 D. place

(　 ) 10. A. with　　　　　　　　 B. without　　　　　　 C. for　　　 　　　　　　　 D. from

15.-Let’s go and see the movie Fearless.　　　　 -________

A. Congratulations!　　　　 B. Bad luck.　　　　　 C. Thank you. 　　　 D. Sounds great!

14.-Did you know the terrible accident?

-Yeah, I saw it ________.

A. with my own eyes　　　 B. my eyes　　　　　　 C. with eyes　　　　　 D. in my eyes

13.-I think there are aliens in space. 　　　　　　　　　　 -________

A. What great!　　　　　　　 B. What fun!　 　　　 C. How a fun!　　　　 D. How happy!

12.-Do you believe his story?

-_______ He always tells lies.

A. I’m afraid of it.　 　　　 B. I’m afraid so.　　 C. I’m afraid not.　 D. I’m not afraid.

11.“Please write down your opinions about whether there are aliens, and then _______ it ________,”the teacher says.

A. hand; out　　　　　 　　　 B. hand; in　　 　　　 C. hand; on　　　　　　 D. hand; over