Some years ago,on a hot summer day in south Florida,a little boy decided to go for a swim in the river in front of his house.

In a_______to dive into the cool river,he ran out through the back door,leaving_______his shoes and shirt as he went.He dived into the water,not_______that as he swam toward the middle of the river,an alligator(鳄鱼) was swimming_______him.Inside the house,his mother was looking out by the window.She saw the two as they got closer and closer.In great fear,she rushed out of the house and_______toward the water,_______to her son as loudly as she could.

Hearing her voice,the little boy became alarmed and made a_______to swim to his mother.It was too_______.Just as the mother reached her son,so did the ailigator.

From the bank,the mother caught the boy by the_______while the alligator snatched his leg.Then began an unbelievable tug﹣of﹣war (拔河比赛) between the two.The alligator was much_______than the mother,but the mother wouldn't give up.

A farmer_______to drive by.He heard the cry,raced from his truck,took aim and shot the alligator.

After weeks and weeks in hospital,the tittle boy was in good_______again.But on his legs there were scars(伤疤)_______by the animal and,on his arms,there were also scars left by his mother in her effort to hold on to the son she loved.

A newspaper reporter asked the boy_______he would show his scars.The boy lifted his legs.And then,with clear_______,he said to the reporter,"But look at my arms,I have great scars on my arms,too.I have them because my mother wouldn't let go."

1.A. hurry B. dream C. hungry D. time

2.A. for B. over C. behind D. out

3.A. hearing B. understanding C. feeling D. realizing

4.A. backward B. downward C. toward D. upward

5.A. ran B. walked C. jumped D. moved

6.A. smiling B. shouting C. talking D. nodding

7.A. change B. mistake C. face D. turn

8.A. dangerous B. close C. late D. early

9.A. legs B. arms C. hands D. feet

10.A. faster B. taller C. bigger D. stronger

11.A. happened B. came C. noticed D. stopped

12.A. shape B. health C. look D. build

13.A. followed B. written C. left D. broken

14.A. where B. how C. when D. whether

15.A. sadness B. pride C. purpose D. service

You may have noticed that the world’s population is not evenly distributed (分布) around our planet. There are more countries where people seem to be living nearly on top of each other because conditions are overcrowded . Then there are others where it seems that hardly anybody lives. What influences this unequal distribution of people ? There are specific advantages and disadvantages of living in a certain area.

The two main factors (因素) that influence people’s choice of location are climate and resources. Climate is the usual weather conditions in a region. Areas that have bad weather are generally less ideal as places to live in . The north and south poles at the top and bottom of the world may be beautiful in their rugged, natural way , but the disadvantage of the bitterly cold and windy conditions usually keeps people away. When it comes to climates, warm conditions and a normal amount of rainfall are advantages that attract people.

Natural resources are tings that we get from nature that help us survive. Each region offers different resources, and therefore attracts different groups of people. People who enjoy the beach can make their living by catching and selling the ocean’s many fish and other sea creature. Those who prefer farming can take advantage of rich soil in valleys near rivers. Some people are willing to accept the disadvantages of the terrible conditions of deserts or mountains in order to take advantages of the resources like oil or woods.

1.The underlined part “on top of ” in the first paragraph most likely means .

A. very close to B. on the highest part of

C. in control of D. on the surface of

2.What are the main factors that influence the distribution of people ?

A. Resources and oceans. B. Climate and rivers.

C. Climate and resources. D. Warm conditions and rainfall.

3.The writer thinks many people don’t live near the north or south pole because .

A. they can’t get enough food there

B. the natural sights there don’t arrract people

C. the unpleasant weather keeps them away

D. the length of nighttime keeps them away

4. Why do people go and live in valleys near rives ?

A. The temperature isn’t too low in winter.

B. The resources like oil can bring them much money.

C. People can make their living by catching and selling fish.

D. It’s easier for people to grow plants or keep animals.

5.The purpose of the examples in the last paragraph is to tell us

A. people cannot survive in cold conditions.

B. different resources attract different groups of people.

C. people usually prefer living at the seaside to living mountains.

D. a normal amount of rainfall is necessary for people to live in the desert.

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