题目
题型：同步题难度：来源：
We sometimes say the lion is "the king of the jungle" because it is stronger and 1 than the other
animals. It can run faster than 2 other animals and it canhunt the 3 . The lion is the _ 4 animalin
the land food chain. In the sea, theshark is at the top of the food chain. What is at the top of the world"s
food chain? People are! We are not the biggest of fastest, but we are the 5 . We could notfight 6
than a lion, so we invented guns. Now we can hunt the best.
People"s inventions are clever, but they can 7 , too. For example, many years ago in Inner
Mongolia, people 8 guns to kill a lot of wild wolves. Then thenumber of wild rabbits is becoming
9 because there is no wolf eating them. Thewild rabbits competed for the grass with the sheep and
cows. Much of the grasslandbecame desert because it was seriously 10 by the rabbits.
Remember that we are a part of the food chain, so we are in danger, too! If we protect animals, we
are protecting ourselves.
| ( )1. A. dangerous ( )2. A. less ( )3, A. better ( )4. A. high ( )5. A. cleverest ( )6. A. better ( )7. A. dangerous ( )8. A. uses ( )9. A. smaller and smaller ( )10. A. destroyed | B. dangerouser B. least B. bad B. highest B. cleverer B. good B. more dangerous B. used B. bigger and bigger B. destroyed | C. more dangerous C. most C. best C. tallest C. clever C. bad C. be dangerous C. using C. big and big C. destroy | |||||||||||
| 阅读短文，选择正确的答案。 How do you remember the way to your house?Where do dreams come from? It is your brain (大脑) that does these things. A British scientist showed that "sleep can improve one"s memory." It" s not a dream for students to study when they sleep. In fact, your brain is working day and night. If you learn words before bed, a certain part of the brain may help you to remember the words while you sleep. What" s more, another scientist in the USA foundthat there was a " talent button (天才按钮)" in the human brain. It might make a person more talented. There are more interesting things about the brain. Your brain uses less energy than a fridge light. Just two bananas can give the brain enough energy to work for a whole day. According to some scientists, yawning (打哈欠) keeps our brains"cool", which makes us think quicker. Here are some pieces of advice to keep a good brain: ·Eat healthy food. ·Get a lot of playtime or exercise. ·Don"t drink or smoke. ·Use your brain a lot. l. A British scientist found out that could improve our memories. A. drink B. dreams C. sleep D. bananas 2. According to the passage, if we want to have a good brain, we should . A. use our brains more B. sleep fewer hours C. work longer hours D. remember fewer things 3. Which of the following is TRUE according to the passage? A. Our brains only work in the daytime. B. Our brains need much energy every day. C. Smoking can keep our brains healthy. D. Getting exercise is good for our brains. | |||||||||||||
| 阅读理解。 | |||||||||||||
| Everyone knows that exercise is important. We all need to exercise. Doctors say it is good for us. It makes you strong and smart. If" you exercise every day, you can get good grades in the exam and do homework well. There are many ways to exercise. You can walk, run, swim, skate, or play ball games. But remember: exercise enough, but not too much. It"s best to exercise thirty minutes each time. Many people go to special places to exercise. People call them "health centers". They have a lot of equipment there. The equipment will help exercise your arms, legs and other parts of your body. Exercise can be fun, Friends can exercise together at a health center or play sports together. | |||||||||||||
| l. Which of the following isn"t the result (结果) of exercise ? | |||||||||||||
| A. It can make us strong and smart. B. It can make us do work well. C. It can make us get good grades. D. It can make us heavy. | |||||||||||||
| 2. If you want to be healthy, you can"t _____ . | |||||||||||||
| A. walk or skate B. run or swim C. swim or play soccer D. watch TV all day | |||||||||||||
| 3. It"s best to exercise _____ each time. | |||||||||||||
| A. twenty minutes B. thirty minutes C. forty minutes D. fifty minutes | |||||||||||||
| 4. The underlined word " equipment" means "_____ " in Chinese. | |||||||||||||
| A. 器材 B. 机器 C. 武器 D. 武装 | |||||||||||||
| 5. Which of the following is WRONG? | |||||||||||||
| A. Friends can exercise together. B. We should exercise too much. C. We all need to exercise. D. Exercise can bring us fun. | |||||||||||||
| 阅读理解。 | |||||||||||||
| Scientists are trying to make the deserts (沙漠) into good land again. They want to bring water to the deserts, so people can live and grow food, They are learning a lot about the deserts. But more and more of" the earth is becoming desert all the time. Scientists may not be able to change the desert in time. Why is more and more land becoming desert? Scientists think that people make deserts. People are doing bad things to the earth. Some places on the earth don"t get much rain. But they still don"t become deserts. This is because some green plants are growing there. Small green plants and grass are very important to dry places. Plants don"t let the hot sun make the earth even drier. Plants don"t let the wind blow the dirt away. When a little bit of rain falls, the plants hold the water. Without plants, the land can become a desert much more easily. 根据短文内容，选择正确答案。 l. Deserts A. get a little rain B. never have any plants or animals in them C. can"t be turned into good land in the future D. both A and C 2. Small green plants are very important to dry places because . A. they don"t let the sun make the earth even drier B. they don"t let the wind blow the earth away C. they hold the water D. A, B and C 3. Land is becoming desert little by little because A. plants can"t grow there B. there"s not enough rain C. people are doing bad things to the earth D. scientists know little about desert 4. Which is the main idea of the first paragraph? A. Scientists know how to change deserts into good land. B. Land is becoming desert faster than scientists can change it back into good land. C. If scientists can bring water to the desert, people can live there. D. More and more places are becoming deserts all the time. 5. After reading this paragraph, we learn that A. plants can keep dry land from becoming desert B. it is good to get rid of (清除) the grass in the desert C. all places without much rain will become deserts D. it is better to grow crops on dry land than to grow grass | |||||||||||||
| 任务型阅读“低碳生活，从我做起!”请仔细阅读下列材料，找出以下五种“低碳”行为产生的直接效应。 | |||||||||||||
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