People have smoked cigarettes for a long time now. The tobacco which is used to make cigarettes was first grown in what is now part of the United States. Christopher Columbus, who discovered America, saw the Indians smoking. Soon the dried leaves were transported to Europe . In the late 1800s, the Turks made cigarettes popular.

Cigarette smoke contains at least two harmful substances, tar and nicotine. Tar, which forms as the tobacco burns, damages the lungs and therefore affects breathing. Nicotine, which is found in the leaves, causes the heart to beat faster and increases the breathing rate. Nicotine in large can kill a person by stopping a person’s breathing muscles. Smokers usually take in small amounts that the body can quickly break down.

Nicotine can make new smokers feel dizzy(頭暈) or sick to their stomachs. The heart rate for young smokers increases 2 to 3 beats per minute. Nicotine also lowers skin temperature and reduces blood flow in the legs and feet. It plays an important role in increasing smokers’ risk of heart disease and stroke.

Smoking cigarettes is dangerous. Cigarette smoking was the cause of lung cancer and several other deadly diseases.

1..

 Tobacco first appeared in_________.

A. Asia                 B. Africa

C. Europe               D. America

2..

 What is the main purpose of the first paragraph?

A. To tell us the bad effects caused by smoking cigarettes

B. To introduce the history of smoking

C. To let us know what the cigarettes are made from

D. To tell the readers that Columbus found the Indians smoking

3..

._________doesn’t make one’s heart beat as usual.

A. Tar                  B. Nicotine

C. Lung disease         D. Leave

4..

 The following effects are caused by Nicotine EXCEPT that________.

A. It can make new smokers feel dizzy or sick to their stomachs

B. It lowers skin temperature

C. It causes the heart to beat less fast

D. Nicotine will probably kill a person if a smoker takes in too much of it.

5..

 What’s the main idea of this passage?

A. Where did cigarettes come from?

B. The effect of smoking on your body.

C. How to smoke is healthy?

D. Who is the first smoker?

 

【答案】

 

1..D

2..B

3..B

4..C

5..B

【解析】 略

 

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A．uselssB．difficultC．quite easyD．important
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All over the world, people “talk with their hand, with their heads and with their eyes.” When Japanese people meet, they bow. When Indians meet, they put their hands together. What do American and British do? Americans are more imformal(不拘小節(jié)的) than the British. They like to be friendly. They use first names, they ask questions and they talk easily about themselves. When they sit down, they like to relax in their chairs and make themselves comfortable. British people are more reserved(保守的). They take more time to make friends. They like to know you before they ask your name.

When British or American people meet someone for the first time, they shake hands. They do not usually shake hands with people they know well. Women sometimes kiss their women friends, and men kiss women friends (on one cheek only). When a man meets a man, he just smiles, and says, “Hello.” Men do not kiss each other, or hold hands. Even fathers and sons do not often kiss each other.

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A．uselss            B．difficult           C．quite easy         D．important

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A．different countries hav the same body language.

B．different countries have different body anguages.

C．people in Asia share the same body language.

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A．sit straight         B．never sits down     C．makes fun of you    D．sits freely

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A．imopssible         B．too easy           C．too difficult        D．slow

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