53. Pay more attention to t_______　 exercise every morning .

52. 　L　　 　　　　　, John got back the notebook that he had lost at the cafe.

A)根据句子意思，用括号中所给词的正确形式填空，每空填一词。

51. How many times do you brush your t　　 　　　　　every day?

先通读短文，掌握其大意，然后从A、B、C、D四个选项中选出一个可以填入相应空白处的最佳答案，并将其标号填入题前括号内。

Now satellites are 　16 　to forecast(预报)the weather. They are in space, and they can 　　17 　any part of the world. The satellites take pictures of the atmosphere(大气)， 18 this is where the weather forms(形成). They send these 　19　 to the weather stations. So meteorologists(气象学家)can see the weather of any part of the world. From the pictures, the scientists can often say 20　 　the weather will change.

Today, nearly five hundred weather stations in sixty countries receive satellite pictures. When they receive new pictures, the meteorologists compare them with earlier 　21 . Perhaps they may find that the clouds have changed during the last few hours. This may mean that the 　　22　 　on the ground may soon change, too. In their next weather forecast, the meteorologists can say this.

So the weather satellites are a great 　　23　 　to the meteorologists. 　　24 __satellites were invented, the scientists could forecast the weather for about 24 or 48 hours. Now they can make good forecasts for three or five days. Soon, perhaps, they may　 　　25　 　forecast the weather for a week or more ahead(提前).

( 　) 16. A. help　　 　B. to help　　 C. helped　　　 　D. helping

(　 ) 17. A. reach　 　B. arrive　　　 C. get　　　　 　D. go

(　 ) 18. A. so　　　 　B. because　　 C. even　　　 　D. and

(　 ) 19. A. satellites　 B. pictures　　 C. weather　 　　D. space

(　 ) 20. A. that　　 　B. for　　　 　C. where　　　 　D. how

(　 ) 21. A. it　　 　　B. one　　　 C. ones　　　 　D. them

(　 ) 22. A. clouds　 　B. weather　　 C. pictures　　 　D. trees

(　 ) 23. A. report　　 　B. luck　　 　C. helpful　　 　　D. help

(　 ) 24. A. Before　 　B. After　　 　C. Since　　 　　D. If

(　 ) 25. A. can　　　 　B. be　　　 　C. be able to　 　D. could

15．Relax_!______you finish this English exam，you’11 be free and feel on top of the

world．You can make it if you put your heart into it!

A．As well as　　 B．As soon as　　 C．As good as　　 D. So well as