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Jack is an eleven-year-old boy. He has a father, a mother, a grandfather and two brothers in his family. Jack is the youngest (年龄最小的). One of his brothers, Tim, is fourteen years old. The other brother, Mike, is fifteen years old. What’s eleven and fourteen and fifteen? That is Jack’s father John’s age. Jack’s mother is very young. She gives birth to (生下) Jack when she is twenty-five years old. Jack doesn’t know his grandfather’s age. He is very old but very healthy.
【小题1】There are seven people in Jack’s family.
【小题2】Jack doesn’t have a sister.
【小题3】John is thirty years old.
【小题4】Jack’s mother is twenty-five years old.
【小题5】Jack’s grandfather isn’t old and he is healthy. 查看习题详情和答案>>
Carbon monoxide poisoning (一氧化碳中毒) causes death and injuries around the world. This gas is a problem in all parts of the world that experience cold weather. A few years ago, America’s Centers for Disease Control (C. D. C.) studied deaths linked (联系) with carbon monoxide poisoning. It found that the number of carbon monoxide deaths in the United States was greatest in January. The C.D.C. also found that carbon monoxide kills more than four hundred Americans each year. And, it said more than twenty thousand people are taken to hospital for treatment of health problems linked with the gas.
Carbon monoxide is called the silent killer because people do not know it is in the air. The gas has no color, no taste and no smell. It does not cause burning eyes. And it does not cause people to cough. Yet, carbon monoxide gas is very deadly (致命的). It steals the body’s ability to use oxygen.
Carbon monoxide makes it difficult for the blood to carry oxygen to body tissues (血管). It does this by linking with the blood. When the gas links with the blood, the blood is no longer able to carry oxygen to the tissues that need it. Damage (损害) to the body can begin very quickly from large amounts (数量) of carbon monoxide.
How quickly this can happen depend on how long a person is breathing the gas and how much gas he or she breathes in.
Carbon monoxide poisoning has warning signs(标志). But people have to be awake to realize them. Small amounts of the gas will cause a person’s head to hurt. He or she may begin to feel tired. Their stomachs may feel sick. The room may appear to be turning around. The person may have trouble thinking clearly.
People develop serious headache as the amount of the gas continues to enter their blood. They will begin to feel very tired and sleepy. They may have terrible stomachache.
Doctors say carbon monoxide influences people differently. For example a small child will experience health problems or die much sooner than an adult. The general health of the person or his or her age can also be important.
【小题1】The damage of carbon monoxide to the body has something to do with _____.
| A．the amount a person breathes in |
| B．whether a person is healthy |
| C．how many signs a person finds |
| D．ages of people |
| A．burning eyes | B．bad cough |
| C．serious headache | D．high fever |
| A．Carbon monoxide poisoning seldom happens in cold areas. |
| B．Twenty thousand Americans are killed by carbon monoxide each year. |
| C．Most people know whether there is carbon monoxide in the air. |
| D．Carbon monoxide stops the blood from carrying oxygen to body tissues. |
| A．Warning signs that carbon monoxide poisoning has. |
| B．Reasons why carbon monoxide can cause person’s death. |
| C．The damage of carbon monoxide and how it works. |
| D．Influences of carbon monoxide on children and adults. |
Wang Lin is the captain of the basketball team.71.He’s tall and he is of medium build. He has 72.短发. Wang Lin is very popular.
Mary is thin and she is of medium height. She has short curly blonde hair.73.She’s good–looking but she’s a little bit quiet.
Mike is 74. 一个好男孩 . He’s very tall. He has curly brown hair and is of medium build(中等身材).75.He likes reading and playing football.
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【小题5】____________________________________________________________________________ 查看习题详情和答案>>
Maria lives in the beautiful countryside．She usually gets up early in the morning， 16 she’s never late for schoo1．After getting up，she often showers and has a good breakfast．Then she 17 for school at around 6：30． 18 her home is very far from school，she likes riding her bike better than 19 the bus．It takes her about an our 20 her bike．It’s so long! On the way，she sings and sings so she always feels 21 ．Also she thinks that it's good for her health 22 to school by bike．
After school she usually goes back 23 with her friend，Linda．Linda’s home is nearer than Maria’s． It’s only three miles from her home 24 schoo1．Linda likes riding，too．And she also thinks t．hat it is a good 25 of transportation．
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完形填空
The telephone rings and Sue answers it. “ 1 I speak to Mrs Potts, please?” a man asks.
“I’m afraid you’ve got the wrong 2 ,” Sue says.
“I’m sorry,” the man says.
A few minutes later the telephone rings 3 . Sue 4 it. It is the same man. He makes a mistake again. Three minutes 5 the telephone rings once more, but she 6 answer it this time, It rings and rings. Her mother hears the 7 . “Why 8 you answer the phone, Sue? she calls.
“Oh, all right,” Sue says. “I’m sure it’s that man again.” But she is 9 . It is her father and he is very 10 . Sue keeps him waiting.
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