All my friends at school smoked(吸煙). My dad smoked. He didn't want me to smoke but my friends kept saying I was stupid. They asked when I was going to grow up. So I started smoking when I was sixteen and after a month I couldn't stop. But two years later I could feel what smoking was doing to me. I couldn't run far, and I coughed( 咳嗽 )every morning. I got very ill and decided to stop. It wasn't easy, but now I've done it, and I feel better. Now I have money for other things.

If you smoke, you are twice likely to get a heart attack(心臟病). And the more you smoke,the earlier the heart attack is likely to get. For example, a 50-year-old who smokes more than 20 cigarettes a day is four times more likely to have heart disease than a non-smoker of the same age.

What does smoking do to the heart? First of all, it makes the heart beat faster and increases the blood pressure(血壓) .The cigarette smoke also reduces(減少) the amount of oxygen(氧氣) in the blood. Consequently, the heart has to work harder, with less oxygen Finally, your arteries(動(dòng)脈) will narrow(變窄) faster if you smoke.

So if you want to reduce your chances of getting heart diseases, the answer is easy - not to smoke. Don't copy your friends and other people who smoke. If you smoke find out how to stop.Stopping isn't easy, but you' ll be healthier

1.If you smoke, you are________likely to get a heart attack.

A.once B.twice C.three times D.four times

2.What does smoking do to the heart first?

A.It makes your arteries become narrow.

B.It makes the heart beat faster and increases the blood pressure.

C.It makes your heart works harder.

D.It reduces the amount of oxygen in the blood.

3.If we put this passage into different parts, which of the following is the best?

A.①;②③④ B.①②;③④ C.①②;③④ D.①;②③;④

4.What can we infer(推斷) from the passage?

A.Stopping smoking can reduce the chances of getting heart diseases

B.The writer began to smoke because he thought it was very cool.

C.The writer stopped smoking when he was about 18 years old.

D.Smoking is also bad for the health of the people around.

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