Suppose (假定) every person on Earth ate only one kind of food. And maybe one year that food couldn"t 1 . If that happened, man would soon 2 . Luckily, man doesn"t 3 that problem. But another animal may. The animal is the giant (巨大的) panda, one of the world"s most-loved animals. Dr Thomas Soderstrom, a scientist, has 4 for the first time that thebamboo (竹子) the giant pandas eat is dying. As a result, many of the pandas are also dying of being 5 . Scientists estimate (估计) that so far more than 140 giant pandas have died. This number may be 6 one-quarter of the world"s giant panda population. Between 400 and 1000 giant pandas are 7 to live in mountains. Giant pandas were once more 8 all over many parts of Asia (亚洲). Now they are only in small parts of China. Can the wild pandas be 9 ? The scientists want to find out more about the animals" food. They want to see whether the pandas are able to 10 their food while the bamboo is dying. Chinese scientists are trying to raise (饲养) more pandas in zoos. The first baby panda was born in the Beijing Zoo in the fall of 1978. |
( )1. A. found ( )2. A. break ( )3. A. want ( )4. A. found ( )5. A. cold ( )6. A. almost ( )7. A. thought ( )8. A. big ( )9. A. kept ( )10. A. have | B. be found B. live B. work B. invented B. tired B. already B. believed B. liked B. saved B. catch | C. founded C. die C. answer C. known C. hungry C. hardly C. seen C. interesting C. made C. change | D. be founded D. lose D. face D. studied D. ill D. really D. said D. common D. taken D. get |
1-5 BCDAC 6-10 ABDBC |
核心考点
试题【完形填空。 Suppose (假定) every person on Earth ate only one kind of food. And mayb】;主要考察你对 科普环保类等知识点的理解。 [详细]
举一反三
选择方框内所给的单词并用适当形式填空。 | Stop live scientist protect animal kind difference open easy wild | 阅读理解。 | Some people may think too much sunlight can lead to cancer, so they always keep themselves away from sunlight. But experts believe that proper exposure (暴露) to sunlight is good for us. For example, scientists think sunlight can help stop some diseases. They say that wearing sunscreen (防晒油) all the time makes the body short of vitamin D. Vitamin D in fact stops us from more than 25 diseases and keeps bones and teeth healthy. However, around 60% of the population are short of vitamin D in their blood. One of the easiest ways to get it is to expose your skin to sunlight. Your body makes vitamin D from the sun faster than it takes in from food. What"s more, safely getting enough sunlight can make you look younger. However, not everybody likes sunlight. Some people should not be exposed to the sun without a strong sun protection. Experts advise that just ten minutes of daily exposure to sunlight should be enough to give us vitamin D we need. | 1. What does the passage mainly tell us? | A. Don"t expose to the sun. B. Proper exposure to sunlight is good for our health. C. We should stay in the sun as long as possible. D. We can get vitamin D from food. | 2. What will happen if we don"t get enough sunlight for a long time? | A. We will keep away from cancer. B. We will get many diseases. C. Our body will be short of vitamin D. D. We will have more vitamin D in our blood. | 3. The proper sunshine can keep our _______ healthy. | A. eyes and skin B. bones and teeth C. ears and blood D. bones and eyes | 4. The underlined phrase"take in" in the passage means "_______" in Chinese. | A. 吸收 B. 占用 C. 分享 D. 拿进来 | 5. Which is NOT true according to the passage? | A. Scientists think our skin can get vitamin D from sunlight. B. Most people have enough vitamin D in their blood. C. Ten minutes of exposure to sunlight every day is enough for us to get vitamin D. D. Our body gets vitamin D faster from the sun than from food. | 根据短文内容,完成下列句子,每空词数不限。 | Soda is popular all over the world. People, especially young children, like drinking it very much because it tastes good. Some of them drink at least one can or bottle every day. But drinking it not only costs too much money, but also is bad for people"s health in some ways. If you drink too much soda, you will probably become too fat, have a toothache. Even if you don"t mind your money, you must at least care about your health. Why is soda unhealthy? A study at a university has been made for years. It shows us how bad it is. First, soda can lower your body"s PH levels. Second, soda can raise insulin levels (胰岛素水平), lead to high blood pressure (血压), heart disease, weight gain and so on. Do you want your teeth to stop falling out? Stop drinking soda! Do you want your bones (骨骼) to get harder? Stop drinking soda! Do you want to improve your immune system (免疫系统)? Stop drinking soda! Do you want to lose weight? Stop drinking soda! But what should you drink instead? Water is good for your health. Drinking tea is a good idea, too. Anyhow, you should stop drinking soda from now on. | 1. Drinking soda not only costs too much money, but also _______ people"s health in some ways. 2. A study made at a university for years shows us _______. 3. Soda can lower our body"s PH levels, _______ insulin levels, _______ high blood pressure, heart disease, weight gain and so on. 4. The writer advises us to drink _______ instead of soda. 5. The writer mainly asks us to _______. | 阅读理解。 | A. all of them are gone B. pollution is not only the problem of our city C. that means you have to do something to protect the environment D. who is our teacher E. because we have only one earth | 阅读理解。 | Some people say that laughter is the best medicine. Scientists are studying laughter carefully and finding it is really good for us. What happens when we laugh? We use fifteen different muscles in our face, and laughing is food for our body. When we laugh, we breathe quickly and exercise the face, shoulders and chest. Our blood pressure goes down, and our circulation gets better. Our heartbeat is lower. Our brain makes a natural painkiller. Every minute we laugh is the same as forty-five minutes" relaxation. Many doctors around the world believe that laughter helps us get better when we are sick. Of course, there are many kinds of laughter. Different people have different laughters. We may change the way we laugh in different situations. But everyone has his own way to laugh. How do you usually laugh? | 1. Laughter is good for us, and _____. | A. everybody thinks so B. doctors say so C. scientists are studying it D. everyone likes laughing | 2. When we laugh, we exercise _____. | A. fifteen muscles of- the face B. fifteen muscles of the chest C. every place of our body D. fifteen organs of our body | 3. Laughter makes a natural painkiller _____. | A. in our shoulders B. in our heart C. in our brain D. in our blood | 4. One-minute laugh equals 45-minute _____. | A. exercise B. rest C. thinking D. sports | 5. According to the passage, _____. | A. people laugh in the same way B. one should learn different ways of laughing C. we need to laugh forty-five minutes each day D. everyone has his own way of laughing |
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