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Article: In the U.S.,the public has tended to believe that all motorcycles are ridden by wild,irresponsible lawless young men. There are several things about motorcycling that the average citizen dislikes.A cyclist's appearance has something to do with this dislike.Motorcyclists frequency look dirty;in fact,they are dirty.0n the road there is little to protect them from mud,crushed insects and bird droppings.For practical reasons they are often dressed in old clothing which looks much less respectable than the clothing of people who ride in cars.For the same reason motorcyclists usually wear dark color1s.Perhaps this helps to explain why they are sometimes suspected of having evil natures. In old plays of long ago,evil characters usually wore black. In cowboy movies the"bad guys"usually wear black hats while the"good guys"wear lighter color1s.Something else about their appearance makes an unfavorable impression. In their practical,protective clothing they look very much like the men on military motorcycles in the movies of World War II--cruel enemies who roared into peaceful villages filling people's hearts with fear. Probably the machine itself also produces anger and fear. Motorcycles are noisy,though some big trucks are even noisier.But trucks are big and carry heavy loads;they are accepted(if not really welcomed)because they perform a needed service,making America move.Motorcycles,on the other hand,make all unpleasant noise just to give their riders pleasure.That is what is commonly thought.In the woods motorcycles,frighten animals.Roaring along quiet streets, they wake sleeping families and make babies cry. Of course the danger of motorcycling,also helps account for many people's low opinion of the sport.Its defenders, however,claim that careful cyclists are in less danger than commonly behaved. A cyclist must drive as if everybody around him wanted to kill him.He must pay careful attention to his driving.From that point of view,a man on a motorcycle is safer than,a man in a car. Question: The average citizen dislikes the motorcyclists because _ Yes or no, is the answer "they frequently look dirty,they often make an unpleasant noise,and their appearance contributes to people's terrible imagination"?
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No

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Article: Tu Youyou, an 84-year-old female scientist, became the first Chinese to win a Nobel Prize in science on Oct 5. Before that, she ever won the 2011 Lasker Award for finding out artemisinin (Qinghaosu), which saved millions of lives. She was grateful for the Lasker prize, but said, "It is just a scientist' duty. I will go on fighting for the health of all humans." Tu kept her work in the 1960s and 1970s. In that age, Malaria could took away people's health. Scientists all over the world had already tried over 240, 000 times but failed. Tu Youyou, a member of the Academy of Traditional Chinese Medicine, Beijing, began to study Chinese herbs. Before 2011, people didn't know Tu very much. Many friends played jokes with her "the Professor of Three None's" : no degree , no study experience abroad, not a member of any Chinese national colleges. But she is hard-working. She read a lot of traditional Chinese medicine books and did a lot of researches on the disease. In February, 2012, Tu was named National Outstanding Females (One of the Ten) Tu is now a model of Chinese medical workers. Question: Artemisinin is used to _ . Yes or no, is the answer "make medicine"?
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No

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Article: What is time? Is it a thing to be saved or spent or wasted, like money? Or is it something we have no control over, like the weather? Is time the same all over the world? That's an easy question, you say. Wherever you go, a minute is 60 seconds, an hour is 60 minutes, a day is 24 hours, and so forth. Well, maybe. But in America, time is more than that. Americans see time as a valuable resource. Maybe that's why they are fond of the expression, "Time is money." To Americans, punctuality is a way of showing respect for other people's time. Being more than 10 minutes late to an appointment usually calls for an apology, and maybe an explanation. People who are running late often call ahead to let others know of the delay. Of course, the less formal the situation, the less important it is to be exactly on time. At informal get-togethers, for example, people often arrive as much as 30 minutes past the appointed time. But they usually don't try that at work. American lifestyles show how much people respect the time of others. When people plan an event, they often set the time days or weeks in advance. Once the time is fixed, it takes almost an emergency to change it. If people want to come to your house for a friendly visit, they will usually call first to make sure it is suitable. Only very close friends will just "drop by" unannounced. Also, people hesitate to call others late at night for fear they might be in bed. The time may vary, but most folks think twice about calling after 10:00 p.m. Question: The main idea of the passage is _ . Yes or no, is the answer "the Americans attitude towards time."?
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No