Write a multi-choice question for the following article, with the given choices and answer: Article: As people in Beijing and northern China struggle with severe air pollution this winter,the toxic air is also making life hard for plants and even food crops of China. "in the last 50 years there has been a 1 6-fold increase in ozone pollution"in the Beijing area,said Hanqin Tian of Auburn University in Alabama,who studies the effects of China's pollution and climate change on plants. Ozone is particularly harmful to plants because it damages the pores on leaves,called stomata,which plants use to regulate how much water evaporates from the leaves.That,in turn,affectS how much water a plant must take up through its roots.Changes in water uptake by plants have been documented in other parts of the world,including the United States,as having major impacts on regional groundwater and surface water supplies. In studies of the long-term productivity of plants,Hanqin Tian and some of his colleagues show that ozone pollution,along with climate change,has been lowering plant productivity in China,which reduces the amount of carbon and other pollutants that the plants Can absorb to fight all the emissions from the burning offossil fuels. The worst effects on plants are likely to be in areas where the growing pollution problem is just fairly new, said Arthur Chappelka, also a plant researcher at Auburn University.Some plants are more resistant to pollutants than others,he said,and the plants that are living today in long-polluted urban areas are likely to be only those that are very pollution tolerant. Away from the cities, however, where crops are necded to feed China's yast population, the effeets of the growing pollution on crops is a significant concern. "In some ways it affects the crop production and food securiy of China,"said Hanqin Tian."Air quality is really important for human health, plants and ecosystem and sustainability." The problem is bound to get worse as China continues to develop economically, he said, and so he and other researchers continue to urge the Chinese government to take action to reduce... Options: A exposing them to strong sunlight B damaging the structure of their leaves C adding more pores to the roots D making the land unfit for the plants to grow Answer: B damaging the structure of their leaves Question:
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Answer: ozone does harm to plants mainly by _ .

Q: Write a multi-choice question for the following article, with the given choices and answer: Article: If you have ever been rock climbing, you will know that it is not a very easy sport. In fact, you probably felt quite defeated when you first tried to do any serious climbing. Indoor and outdoor rock climbing are both extremely demanding and require practice to get good at. It is one of the most physically and mentally demanding sports. There are three basic types of rock climbing. Top roping is the most common type and the climber need to climb with a partner. The second type, which is very similar to top roping, is called lead climbing. In both of the types, the climber can sit off the wall and rest on the rope. The third type is called bouldering. Bouldering is a type of free climbing without any ropes. This is the most demanding of all climbing types. The climber must be able to complete the climbing without taking a rest on the rope. Believe it or not, climbing is said to be about 75% legs and only 25% arms. To climb efficiently and successfully, a person needs to have a wonderful technique. One of the major rules of rock climbing is to always have three points touching the wall, whether it is both feet and one hand, or one foot and both hands, as it is much easier to have your weight cases will not do the climbing; they only hold you into the wall so that your legs are actually pushing you upward. Also, the closer you are to the wall, the easier it is to climb. Rock climbing may sound a bit too extreme for the everyday person, but it is really an amazing workout. Once you get into the sport, and learn how to position your body and rest your weight, then you can begin to deal with some difficult problems. The great thing about rock climbing is that it is mentally challenging as well. You are constantly analyzing the way your body moves and how to do certain moves on the wall. For anyone who wants to get into shape, rock climbing is a fun and effective way to exercise muscles. Options: A It is an easy sport. B It is challenging. C It is quite dangerous. D It is extremely difficult. Answer: B It is challenging. Question:
A: What does the author think of rock climbing?

Question: Write a multi-choice question for the following article, with the given choices and answer: Article: We start forming impressions of people we meet from the moment we set eyes on them. A large part of the first impression that you create comes from your body language. Your body language speaks louder than the words you say. Face The face is the most expressive part of the body. If you are feeling anxious then your facial expression may lead you to appear cold, or unhappy. You can break this _ by trying to smile. Your smile is one of the strongest tools you have in meeting new people. It will help you appear warm, friendly and confident. Eyes Our eyes give clues to our emotions. Making very little eye contact can either show shyness or fear. Looking at others says that you are interested, friendly, and at ease. Hands Your hands are also very expressive. Open gestures tend to make you appear open and honest. By pointing your finger, or moving your hands closer together, you can draw attention to what you are saying. Used properly, hand gestures can make you seem friendly. Making too many gestures can make you appear uncontrolled. Touching your sleeves, face, etc. can make you appear tense, nervous, and sometimes dishonest. Posture Your posture makes a big contribution to your body language and shows your level of self-confidence. By falling away from them or leaning back, you show a lack of interest. When we are feeling low in confidence and want to hide away, keep our heads down. Your posture gives not only signals about your interest in something but also clues showing your status within a group. In summary, our face, eyes, hands and posture express what is going on inside of us. Using good body language can bring up our level of self-confidence. Options: A interesting words B attractive look C polite attitude D body language Answer: D body language Question:
Answer: According to the passage, the first impression you usually give others is created by your _ .

Write a multi-choice question for the following article, with the given choices and answer: Article: A 13-year-old Shenzhen girl has written a novel about life in junior high school, and the book is expected to hit the city's bookshelves in June, the Shenzhen Economic Dailyreported on Thursday. "A Fresh Summer Day," a 180,000-character novel which Zhao Yue completed writing in three months, is in fact Zhao's second published book. Her first book, "A Better Present," is a collection of the articles she wrote when she was still a primary school student. Zhao is a Junior One student of a middle school in Longgang District. She started writing the novel after her first book was published. "I was very much motivated to write a new book when I saw many of my schoolmates reading my first book," said Zhao. She added that she wrote most of the novel at night, sometimes until the early hours of the morning. "I attended school as usual during the three months of writing. I felt all right every day even though I slept for only four hours a day," said the girl. "A Fresh Summer Day" is about puppy love between two junior high school students, which is becoming very common among young children, the paper said. AShenzhen Economic Daily reporter who read the draft of Zhao's story said the plot develops smoothly and naturally, while the descriptions of the characters' feelings are true. Zhao said the story was based on interviews she carried with some of her fellow students, "I myself don't have such a story to tell yet." Zhao has loved writing since early childhood. Options: A Zhao Yue doesn't like puppy love B Zhao Yue's parents knew nothing about her second novel C the reporter helped Zhao Yue publish the novel D the reporter thinks well of the second novel Answer: D the reporter thinks well of the second novel Question:
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Answer:
It can be learned from the passage that _ .