摘要: f

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Some people remember the things by writing notes to themselves.Then they leave the notes in obvious(明显)places,such as on the table or on the floor in the middle of the living room.I don’t think I like to write notes to myself.Most of the time I lose them or forget to look at them until it’s too late.I prefer to use an alarm clock f闹钟)to tell me what I should do.I have ten alarm clocks in my house.They could tell me about things.For example,if I have to make a telephone call at a certain time,I’ll set an alarm clock to go off a few minutes early and put the clock by the telephone.Or if I want to watch a certain television program,I’ll set an alarm clock at the right time and put the clock on top of the TV set.I can remember almost anything if I use my clocks.However,sometimes an alarm clock goes off and I don’t know what it means.I always remember setting it,but not why I set it.If the clock is by the telephone, I know I may have set it to tell me to call someone,but I can’t be sure.I might have set it to tell

myself that somebody was to call me at a certain time.

1.Some people like to write notes to themselves SO that they can________

A.1eave them in obvious places                   B.remember what to do at a certain time

C.watch a certain program                      D.make a phone call at a certain time

2.I don’t like to write notes to myself because_________

A.they are easy to lose or I can’t always remember to look

B.I don’t know where to put them

C.my handwriting is poor

D.it gives me too much trouble

3.I often use___________ to help me remember things.

A.a notebook         B.a computer          C.telephone calls       D.alarm clocks

4.Sometimes an alarm clock can’t help me because

A.I put the clock in a wrong place             B.the clock goes wrong

C.the clock goes off, I forget why I set it      D.I’m not sure whom I should call

5.In this passage, “go off’ means

A.set off                B.get off                C.go away       D.make a sudden noise

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  Not many years ago, some farmers were worried because hawks(鹰)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.

根据短文内容判断正(T)误(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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