Article: Wang Bing's father began smoking when he was a freshman ( )in college. His friend passed him his first cigarette. He has now been smoking for more than 30 years. It's a classic example of how young people are introduced to cigarettes, except that nowadays smokers develop their habit at an even younger age. It has become a major concern in China that many teenagers begin to smoke. A survey showed that 22.5% of the middle school students questioned had tried smoking and 15.8% of them smoked regularly. For many teenagers, smoking is a symbol of being an adult, independence, maturity and attractiveness because the images who they love best often smoke on screen. The social environment also plays an important role in attracting teenagers to smoking. They are used to seeing their elders, especially male family members, smoking at home. Many of them _ adult behavior and become new smokers. To increase the price of cigarettes is an effective way to reduce the number of young smokers, as teenagers have limited money to spend on them. Another way is to educate the teenagers to voluntarily refuse cigarettes. A survey shows that 92.5% of the students know smoking will be bad for their health. If we persuade them in a proper way, most of them may give up smoking. All in all, the society, the government, the school and the family should join together to take the responsibility for an anti-smoking campaign aimed at teenagers, _ Question: What's the main idea of this passage? Yes or no, is the answer "The teenage smoking has become a serious problem in China."?
No

Article: Some people have a kind of magic. They will make you comfortable while they are around. You feel at ease while talking to them. How is it done? Here are several skills that good talkers have. If you follow the skills, they'll help people feel relaxed and make friends with them quickly. First of all, good talkers ask questions. Almost anyone, no matter how shy he is, will answer a question. One well-known businesswoman says, "At business lunches, I always ask people what they did that morning. It's a common question, but it will get things going." From there you can move on to other matters--sometimes to really personal questions. And how he answers will let you know how far you can go. Second, once good talkers have asked questions, they listen to the answers. This point seems clear, but it isn't. Your questions should have a point and help to tell what kind of person you are talking to. And to find out, you really have to listen carefully and attentively. Real listening at least means some things. First it means not to change the topic of conversation. If someone insists on one topic, it means he's really interested in it. Real listening also means not just listening to words, but to the voice. If the voice sounds bored, then, it's time for you to change the topic. Finally, good talkers know well how to deal with the moment of saying good-bye. If you're saying it, you may give him a handshake and say, "I've really enjoyed meeting you." If you want to see that person again, don't keep it a secret. Let people know your thoughts. Question: If you really want to meet someone again, _ . Yes or no, is the answer "it seems necessary for you to let him know it"?
Yes

Article: Sleep is like food for the brain. Enough sleep helps the body and brain grow and develop. According to the National Sleep Foundation in the US, adults need seven to nine hours of sleep every night. For students aged 10 to 17, a healthy amount is about eight to nine hours per night. But many students don't get enough sleep because of early school start times and heavy homework. About 80 percent of middle school students don't get enough sleep, the China Youth and Children Research Center reported. For some students, they want to sleep early, but they keep worrying about their schoolwork and can't fall asleep quickly. For others, they may even have _ which might keep them awake all night. These sleeping problems greatly affect people's lives. Experts have shown that lack of sleep for teenagers leads to poor grades. Students without enough sleep cannot pay attention in class or do well in sports. Also, the lack of sleep may make them depressed . Luckily, with good sleep habits, it is easier to fall asleep. Some of these good habits include avoiding drinks that make people excited late in the day, going to sleep at the same time each night, and sleeping in a comfortable place that is dark, quiet, and neither too warm nor too cold. Question: If Li Hong is 15years old, how much sleep does she need every night? Yes or no, is the answer "8-9 hours."?
Yes