题目内容
( ) 7. Look at the stars. Can you count them clearly?
—No. There are stars in the sky.
A. two billions B. two billions of
C. billions of D. two billion of
7. C
金钥匙试卷系列答案Tony： Hello，Lucy. I haven’t seen you for several hours. Where have you been?
Lucy： Hello，Tony. 1. And I have found some information about the universe.
Tony ： Really? Would you like to tell me some? Lucy ： Of course. What do you want to know?
Tony： Well. 2.
Lucy： Millions of years.
Tony： Wow!So long. 3.
Lucy： Not yet. But they have discovered water on Mars.
Tony： That sounds very interesting. Have they found life on Mars?
Lucy ： No，they haven’t. And scientists have already found that there’s no life on the moon.
Tony： 4.
Lucy： Yes，that’s right. Oh,I want to return the book about journeys to space to Jack,but I can’t find him. Where’s he,do you know?
Tony： 5. You can find him there.
Lucy： Thanks a lot.
A. | So far there’s life only on earth? |
B. | How long has there been life on earth? |
C. | I have gone to the library. |
D. | So have scientists found life on other planets? |
E. | He has been to the space museum. |
F. | I have been to the museum. |
G. | He has just gone to the school library. |