Have you ever seen a horse with toes(脚趾)?Millions of years ago, horses had many toes. They had four toes on each front foot. They had three toes on each back foot. The horses were no bigger than the cats.These small horses lived in the forest. The toes helped the horses run on the soft, wet ground.

At first, it was very hot in the forest. But the weather changed. It became very cold. Many trees could not live in cold weather. The trees died and fell. Open fields took the place of forests. The sun made the ground dry and hard.

Horsed began to change, too. They began to get bigger. This took a long time. On the dry, hard land, horses needed only their middle toes for running. Their middle toes became hard. After a long time, horses had only one hard toe on each foot. Now we call this hard toe a hoof.

1.How many toes did a horse have millions of years ago?

A.14               B.12               C.16               D.13

2.What does the underlined word “hoof” mean in Chinese?

A.尾巴             B.马鬃             C.腿               D.蹄子

3.What was the weather like in the forest at first?

A.Very warm         B.Very hot           C.Very cold          D.Very cool

4.Which is WRONG according to the passage?

A.The horses were much bigger than the cats millions of years ago.

B.The trees died and feel because the weather changed.

C.On the dry, hard land, horses needed only their middle toes for running.

D.The horses have fewer toes than before.

5.The main idea of the passage is that_______________.

A.horses had three toes on each back foot.     B.horses lived in the hot forest

C.horses changed a lot over the years         D.horses didn’t like the cold weather

 

Shenzhen's fast development has made it become China's most crowded city! There are about 15 million people living on its 1991square kilometers. On each square kilometer averagely live 7500 people. It is 1080 more than that in Hong Kong, and nearly 800 more than that in Guangzhou.

Besides, Shenzhen owns 2 million local vehicles, and about 300000 vehicles from other places also run on the local roads every day. The total length of the city's road is 6041 kilometers. It means each resident only owns 0.58 meters of road!

As a result, the city is facing serious environmental and resource problems. One of the problems is water shortage. The amount of fresh water for each person of the city is only 25% of the country's average. What's more, most of the water drunk by Shenzhen people comes from other areas.

1.According to the passage, which of the following makes Shenzhen so crowded?

A. Shenzhen has not enough water.     

B. There are too many people

C. Shenzhen is developing very fast     

D. Shenzhen is too small

2.There are _______ people living in Shenzhen now.

A. about 1991    B. about 15000000    C. about 150000    D. about 300000

3.In Hong Kong, there are _______ people on every kilometer?

A. about 7500    B. about 1080        C. about 800       D. about 6420

4.Which problem in Shenzhen is not mentioned in the passage?

A. Traffic accidents.            B. Water shortage.

C. Environmental problems      D. Population problem.

5.Which is the best title for this passage?

A. Largest Population in China.      

B. Biggist Problems in Shenzhen

C. Busiest Roads in Shenzhen       

D. Most Crowded City in China

 

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