3. There is a c between smoking and lung cancer.

4. After the t of ten days, my brother was picking up gradually.

5. To be a （强大的）country, China has a long way to go.

6. The police said the man was a （危险）to the public.

7. You spend too much as a student. You should try to （减少）your expenses.

8. It started as a hobby, but it was so （上瘾的）that I couldn't do without it.

9. The moment I answered the phone, I （听出）his voice.

10. What parents say and do has a long （影响）on their children.

自练自提

　　Taking __ （毒品）, such as cannabis（ ）and crack cocaine（ ）, is more dangerous than smoking cigarettes（ ）, because it is regarded as a （犯罪）. In most countries, taking drugs is strictly （禁止）. It （影响）not only one's health but also our society. Once someone _ （对......上瘾）taking drugs, he is most _ （可能）to do something （违法的）.

　　I have a cousin, Bob, who used to be a healthy person. Because his father _______________（不同意）with him about his future career, To let out his anger, he went to the net bar with his best friend, who was in （关系）with a drug group. He offered Bob some crack cocaine. Gradually, it became （上瘾的）to Bob and he didn't it （戒除）. What's more, he ____________________ （听从他朋友的意见）to steal something to buy drugs. He became a ______________（危险）to others.

　　I didn't （认出）him when I met him in the street, because he was yellow and thin. Later, his father forced him to receive ____ （治疗）. In the centre for drug addicts, he ______________（减少）the chance of contacting his friends. I hope he will give it up and live a healthy life again.