"有害的、危险的"影响。

　　3. What is the main idea of Paragraph 6?

　　A．Cigarette smoking is really harmful.

　　B．A lot of deaths in the U．S. can be prevented.

　　C．Deaths caused by smoking form the largest part.

　　D．Many people in the U．S. die because of health effects.

　　解析：A　段落大意题。根据第六段可知，每年死于吸烟危害的人有48万余人，即吸烟的危害很大。

Ⅲ.完形填空

　　 My sister Martie and her husband Jan, just returned from their trip to Ecuador, and I couldn't wait to hear their __1__ about their two weeks abroad. As I listened to them __2__ their adventures over dinner the other night, I was __3__！ So many changed lives!

　　 As dinner came to a close, I __4__ that my sister had a new ring on her right hand, so I asked her about it.

　　 __5__， tears came to her eyes as she began telling me about her beautiful new __6__.

　　 Early in the trip, they went to a church, where they met a woman, who shared her __7__ with addiction(沉迷) and other life struggles with them. They prayed(祈祷) with her, and __8__ Martie hugged her, an idea struck her that she could give her ring to the woman as a gift.

　　 So Martie __9__ her ring, handed it to the woman, and said, "Please accept this ring so that every time you look down at your __10__， you'll remember this day and celebrate your new beginning."

　　 The woman was __11__. She cried, put the ring on her finger, and a __12__ smile spread over her face.

　　 Then, on their final night, they __13__ a woman they had prayed for when they were in Ecuador four years before. She __14__ shared how much her life had __15__ for the better since their first visit, As they were rejoicing (欢喜) with her, the woman took off her __16__ ring and put it on Martie's right ring finger. She said she wanted to bless (保佑) Martie with her ring.

Martie could hardly speak, but she managed to say __17__ to the woman.