Passage Two
The first step to stop drug abuse is knowing why people start to use drugs. The reasons people abuse drugs are as different as people are from one to another. but there seems to be one common thread: people seem to take drugs to changes the way they feel. They want to feel better or feel happy or to feel nothing. Sometimes, they want to forget or to remember. People often feel better about themselves when they are under the influence of drugs. But the effects don't last long. Drugs don't solve problems. They just postpone them. No matter how far drug s may take you, it's always around trip. After a while, people who miss drugs ma y feel worse about themselves, and they they may use more drugs. If someone you know is using or abusing drugs, you can help. The most important part you can pl ay is to be there. You can let your friends know that you care. You can listen a nd try to solve the problem behind your friend's need to use drugs. Two people together can often solve a problem that seems too big for one person alone. Studies of heavy abusers in the United States show that they felt unloved and unwanted. They didn't have close friends to talk to. When you or your friends take the time to care for each other, you're all helping to stop drugs abuse. After all, what is a friend for?
15. Why do some people abuse drugs?
16. According to the passage, what is the best way to stop friends from abusing drugs?
17. What are the findings of the studies about heavy drug users?
Passage Three
Bows and arrows, are one of man's oldest weapons. They gave early man an effective weapon to kill his enemies. The ordinary bow or short bow as used by nearly all early people. This bow had limited power and short range. However, man overcame these faults by learning to track his targets at a close range. The long how was most likely discovered when someone found out that a five-foot piece of wood made a better bow than a three-food piece. Hundreds of thousands of these bows were made and used for three hundred years. However, not one is known to survive today. We believe that a force of about one hundred pounds was needed to pull the string all the way back on a long bow. For a long time the bow was just a bent stick and string. In fact, more changes have taken place in a bow in the past 25 years than in the last 7 centuries. Today, bow is forceful. It is as exact as a gun. In addition, it requires little strength to draw the string. Modern bows also have precise aiming devices. In indoor contest, perfect scores from 40 yards are common. The invention of the bows itself ranks with discovery of fire and the wheel. It was a great-step-forward for man.
18. Why did man have no track his target at a close range when using a short bow ?
19. What does the passage tell us about long bow?
20. What do we know about modern bows?
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