Not many years ago, some farmers were worried because hawks（鷹）were taking many of their chickens. The farmers did not know what to do. Finally they went to the county officials and asked for help.“Kill the hawks,”the officials said,“We’ll even pay you for them.”So the farmers began to think of ways to kill the hawks. The farmers killed many hawks. They no longer had to worry about their chickens. But they now had a new worry. Field mice were eating up a lot of the farmers’ grain. How did this happen? Hawks eat not only chickens but also field mice. They eat more field mice than chickens. But the farmers did not know this. When they killed a lot of hawks, they changed the balance（平衡）of nature.

　　When people move into a new place, they often destroy many wild plants. Often these plants are food for the animals. If the animals cannot find enough plants to eat, they will starve or have to leave the place. In one part of the United States, for example, the deer there like to eat a certain kind of wild rose. The mountain lions there eat the deer. The number of deer, mountain lions, and wild roses does not change much if people leave things as they are. But people killed many mountain lions in order to protect the deer. Soon there were so many deer that they ate up all the wild roses. Then the deer began to eat the green leaves of young trees. These trees were important to the farmers. So the farmers thought of ways to protect their trees. Now the deer had nothing to eat, and many of them died. This was another lesson for nature.

　　To keep the balance of nature is important for us to remember.

根據(jù)短文內容判斷正（T）誤（F）

(1) Some of the farmers was worried because hawks were taking many of their chickens.

(　　)

(2) The farmers went to their neighbors and asked for help.

(　　)

(3) The farmers’ new worry was that field mice were eating up a lot of their grain.

(　　)

(4) If animals can’t find enough plants to eat they will kill themselves.

(　　)

(5) The lesson we should remember is that it is important to keep the balance of nature.

(　　)
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2．A．it

　　

B．this

　　

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B．had

　　

C．was

　　

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4．A．towns

　　

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5．A．think

　　

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6．A．So

　　

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D．Again

　　

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7．A．gave

　　

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8．A．drove

　　

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C．passed

　　

D．moved

　　

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9．A．cleaned

　　

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11．A．bad

　　

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12．A．got on 

　　

B．got off

　　

C．turned on

　　

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13．A．dresses

　　

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14．A．looked

　　

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15．A．hours

　　

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16．A．somebody

　　

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32. A. handed in　　　　　 B. took out　　　　　 C. gave away　　　　 　 D. put away

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