51. Success 　　　　　　　　　(要求) hard work.

50. Will you please 　　　　　the TV 　　　　(接通)?

(A) 根据汉语提示完成句子。

49. The bridge is 　　　　　　　　　　　　　　(由……组成) the stones.

The Great Wall of China has a history of more than two thousand years. It is from the east to the west in 　21　 　China. It is about 4, 000 miles 　22　 . It is called “Ten-Thousand-Li Great Wall” by Chinese people.　

The Great Wall was 　23　 　for ten men to walk side by side along the highest part. 　24　

could run along it, too.　

The Great Wall 　25　 　stones and bricks(砖). There were huge stones on 　26　 　sides and on the highest part.　　　

Along the Great Wall there were 　27　 　watchtowers(瞭望台). Long ago, the soldiers kept watching for the enemy(敌人) in the watchtowers day and night. They made 　28　 　on the towers to tell each other when the enemy came.　

As 　29　 　old building, the Great Wall of China is known to the whole world. Every　 year 　30　 　people come to visit it from all over the world. 　

(　 ) 21.A. North　　　　　　　　 B. South　　　　　　　　 C. East　　　　　　　　　 D. West

(　 ) 22.A. short　　　　　　　　 B. high　　　　 C. wide　　　　　　　　 D. long

(　 ) 23.A. enough long　　　 B. long enough　　 C. enough wide　　　 D. wide enough

(　 ) 24. A. Dogs　　　　　　　　 B. Horses　　　　　　 C. Men　　　　　　　　　 D. Children

(　 ) 25.A. made from　　　　 B. was made from　 C. was made of　　　 D. made of

(　 ) 26.A. both　　　　　　　　　 B. each　　　　　　　 　　 C. every　　　　　　　　 D. all

(　 ) 27.A. big　　　　　　　　　　 B. small　　　　　　　 C. beautiful　　　　　　 D. tall

(　 ) 28.A. water　　　　　　　　 B. word　　　　　　　 C. trees　　　　　　　　 D. fires(火)

(　 ) 29.A. a　　　　　　　　　　　 B. an　　　　　　　　　 C. the　　　　　　　　　　 D. /

(　 ) 30. A. thousand and thousand of　　　　　　 B. thousands and thousands　

C. thousands and thousands of　 　　　　 D. thousand and thousands　

从方框中选择适当的句子补全对话，其中有两项是多余的。　

A: Hi, Mike! Can you tell me something about Siberian tigers?　

B: Of course.　

A: 　　　16　　　 [来源:]

B: They are big and strong. They have bright eyes，yellow fur(皮毛) and black stripes(条纹).

A: Can they climb trees?　

B: 　　　17　　　 　But they can run very fast and are good at hunting(猎取) other animals.

A: How do they usually live?　

B: They usually live as a family until the baby tigers are two or three years old.　

A: 　　　18　　　

B: About two to four. They look lovely at birth.　

A: So wonderful! 　　　19　　　

B: But the number of tigers is getting smaller and smaller.　

A: What? How many Siberian tigers are there in the wild?　

B: 　　　20　　　 　There are fewer and fewer Siberian tigers because people hunt them for their

fur and bones.

A: Yes, I think so. Let’s do something to protect Siberian tigers.

A. No, they can’t.　

B. What’s your favorite animal?　

C. I wish I could see one of them.　

D. What do they look like?　

E. About four hundred.　

F. What do they like doing?　

G. How many baby tigers can they have at a time?

16.　　　　　 　　17.　　　　　 　　18.　　　　　 　　19.　　　　　 　　20.　　　　　

15. Her shoes 　　　　, so she has to buy a new pair.

　　　　 A. wear out　　　　　 B. are worn out　　　 C. worn out 　　　　　　　　 D. old