科普环保类 知识点题库

完形填空。先通读下面短文，读懂大意。然后从后面各题所给的A、B、C、D四个选项中选择可以填入相应空白处的最佳选项。

You without doubt sleep every day, but do you have a dream every night? How much do you know about dreaming? “Sleep are 1 than dream. We all need to dream.” some scientists say.

Dreams take up about one quarter of our sleeping time. People have several dreams every night. Dreams are like short films. They are usually in color. Some dreams are like old films. They come to us over and over again. That 2 because the dreamer is worrying about something. Sometimes dreaming is a way of trying to find an answer.

Some people get 3about their work from dreams. They may have been thinking about their work all day. These thoughts can carry into dreams.

Sometimes we4with a good feeling from a dream. But often we can’t remember the dream.Dreams can disappear quickly from memory.

­5dreaming can be harmful. The more we sleep, the longer we dream. The mind is hard at work when we dream. That is why we may have a long sleep and still feel tired.

   We live in “computer age(时代)”. People like using computers to do 1work. But more than 20 years ago, 2couldn't do much. They were very big and expensive. Very 3people were interested in them and knew how to use them. Today computers are smaller and 4.Since they are useful, many people like to use them, even at home.
   Computers 5very important because they can work6than men and make fewer mistakes. Computers can 7people do a lot of work. Writers can use computers to write. Teachers can use computers to help teaching and students use them to study. Computers can also remember what you put8 them. Computers are very9. They are our good friends. Do you want to 10a computer.

   There are many ways for us to reduce (减少) waste. For example, we can reuse paper and plastic bags. We can also recycle newspapers, glass, and cans (易拉罐)  1new things. Here are some useful 2 to reduce waste.
   Write on both sides of paper
   Many people write on only one side of their paper. Why not try using both sides? Some students only use half the pages of their 3 before getting new ones. Try to use up all the paper. People often give cards on birthdays or festivals. How about trying to 4 e-cards (电子贺卡) instead?
   Don’t throw away your old batteries (电池)
   Maybe you do not know that old batteries make the soil 5. This is because they have poisonous (有毒的) parts in 6. So, don’t throw away batteries. 7 them together. Try to use rechargeable (充电的) batteries for your games and CD players.
Give 8 all your unwanted clothes
   There are many poor families in China. You may ask your mother to keep your unwanted clothes. Then you can pass them on to those poor children. You will feel happy that you are 9 someone else. Also, you can see  10 your friends or relatives (亲戚) want them before throwing them away.

从A、B、C、D四个选项中选出能填入空白处的最佳答案。

    Protecting (保护) wild animals is our duty. Because wild animals are important to us. They live with us on the earth together. If there are no animals on the earth, we will not live on, 1. So we should 2 them to help us live a healthy life.

    3 some people still don't realize the importance(重要性) of protecting wild animals. They often 4 wild animals for food or for money. Every day there are many wild animals being killed. So lots of wild animals are 5. We can't see them any more. Today the number of wild animals 6 becoming smaller and smaller. If we don't protect them, they will all die out. If this goes on, there will be no animals  7 on the earth.

     8, more and more people began to do many things to help protect wild animals. They ask people 9 wild animals. They get people to know that protecting wild animals is one of the most important things. Now many 10  have made some laws to protect wild animals. Now that (既然) wild animals are so important to man, we should do our best to protect them.

阅读下面短文，从短文后各题所给的四个选项（A、B、C和D)中，选出可以填入空白处的最佳选项。

    Many animals use some kind of “language”. They use signals(信号)and the signals have meanings. For example, when a bee(蜜蜂) has found some food, it goes 1 home. It is 2 for a bee to tell 3 bees where the food is by speaking to 4, but it can do a little dancing. This tells the bees where the food is and 5 it is.

    Some animals show how they feel by making sounds. It is not difficult to 6. If a dog is angry, it barks(吠). Birds make several different sounds and 7 has its own meaning. Sometimes we humans make sounds 8. We make sounds like “Oh!” or “Ouch!” to show how we feel about something or when we 9 something on our feet.

    We humans have languages. We have words. These words have the meaning of things, actions(行动), feelings or ideas. We 10 give each other information. Writing down words, we can remember what has happened or send messages to people far away.

先通读下面的短文,掌握其大意,然后在每小题所给的四个选项中,选出可以填入空白处的最佳选项。

    You're thirsty and you get yourself a glass of water. Do you ever1how old that water really is? The glass of water that you're2may have fallen from the sky as rain only last week. However, water itself has been around pretty much as3as the earth has! In fact, 4oceans, seas and rivers cover 70％of the earth, there is a 5 supply(供给)of water, which keeps on moving round the earth. This is6of what's known as the water cycle. The sun heats up water and it turns into clouds, which are7from water vapor(水蒸气).When the clouds become8, the water falls back onto the earth as rain. Of course, clean water is absolutely essential for good health. The amount of safe drinking water has gone up around the world, but9one billion humans are still in great need10clean, drinkable water.

完形填空.

    Animals are our friends. We can find1different kinds of animals. Some animals are living 2 big woods(森林). And some animals are living with 3. Animals are very4 to people. People can teach the elephant to do some heavy 5. And they can also teach the dog to 6the house. A watch dog is very 7 It can help people in danger(危险). So people 8dogs very much. Most of9like to go to the zoo.10there are many animals in zoos. Zoo is a good place for children to get to know animals.

通读下列短文，从每题所给的A、B、C、D四个选项中选出可以填入空白处的最佳选项。

    We see many animals, like rabbits, bees, dogs, birds, sheep…，but do you know 1these animals say things? First，let's see a rabbit. When a rabbit sees 2dangerous(危险的)，it runs away at once. When it runs, its tail moves up and 3.When others see this, they run away,4.

    Many other animals use this kind of language(语言). When a bee has found some food, it goes back to 5home. It cannot tell6bees where the food is by speaking to them，but it does a little dance in the air. This may tell other bees 7the food is.

    Some animals say things by8sounds like a man does. For example，a dog barks when a stranger(陌生人)comes near. Some birds can make several 9sounds, each with its own meaning. In a word, every animal10its own language.

完形填空

    I think that the world will be an easy place to live in. We1have machines and robots and they will2us do all the3jobs, and we don't have to do things4washing dishes and5the beds, though we won't have any dishes at all. Maybe we will just throw the dishes away after each meal. I6that doctors will be able to7us alive8a long time. I hope that when I am 80 years old, there9something that can keep me alive for1080 years, so I will live to be 160 years old.

完形填空

    It's very important that we all recycle. In nature, everything can be1again. For example, when an animal dies, it becomes 2animal's food. Nothing is wasted. But humans have created things like plastic bags 3can't be broken down by nature. Our rubbish kills animals and 4water and soil. 5we continue making too much rubbish, the problem will only get worse. If nature can't reuse the rubbish, we must recycle6.

    We should clean up the rubbish we've made because nature can't.

    Recycling is also the right thing to do for another reason. The earth is rich in natural materials like water and trees,7these materials are not endless. We use up our natural materials much8than the earth is able to reproduce them. For example, each year we cut9more that 6,000 square miles of forest. But it takes about 25 years 10a new tree to grow.

    Recycling can help us save the earth, so let's take action right now.

阅读下面短文，从短文后所给的A、B、C三个选项中选出能填入相应空白处的最佳选项。

    Living on Earth is like living in a terrarium (玻璃容器). All the water on 1 has always been here. The water never goes away and new water is never created. You might say the water is 2. Yes. Water changes its form as it moves through the 3 cycle, from liquid (液体) to solid, then to gas. The cycle happens all over again and again. The water cycle 4 to purify (净化) the water. However, once the soil and air are polluted, it is harder for the water to get clean.

    More than 70％ of the human body is water. Next to oxygen, water is the most 5 part of our life. We drink water. We bathe and shower in water. Each person 6 about 70 gallons of water each day.

    Out of all the water on Earth only 1％ is flesh water. We can all help protect water by doing things like 7 the tap when we brush our teeth.

    Water can get polluted by many different things. Sometimes it 8 when people are careless with the chemicals. Every year thousands of people get sick from 9 water. So everyone must work together to 10 water clean. Our lives depend on it!

完形填空

    We cannot stop earthquakes, but we can do things to make sure they do not destroy (破坏) whole cities. First, it is not a 1 idea to build houses along the lines where2of the earth's plates join together. Second, if you think there 3 be an earthquake, it is better to build houses on rock, not on 4. Third, you must make the houses as 5 as possible. Weak buildings will fall down in an earthquake, but strong ones may 6.

    Scientists are 7 that one day an even bigger earthquake will hit the part around S an Francisco. They call it “The Big One”. But people today are still building more 8. The population in and around San Francisco 9 is ten times more than it was in 1906. This means that 10 there is another earthquake, a great many houses and buildings will be destroyed.

完形填空

    The lion is one of the most fierce (凶猛的) animals in the world. Lions can be1 in Africa and India. Lions in Africa can live without water for about one month. Lions are also popular animals in the2 . Almost every zoo around the world has a few lions. It is very3 for people to tell male and female lions from each other. You can judge (判断) simply by their appearance. A male lion has mane while female lions do not have. Male lions are 4than female lions. A male lion usually weighs about 200 kilograms which is always heavier than a female lion. Both male and female lions have very 5 teeth. They can break the backs of other animals 6 Lions feed on other animals and one lion usually kills between ten and twenty large animals each year for 7it's unusual for lions to kill people. However, in 1898 two lions 8and ate over one hundred people in Kenya before they were shot by a British man named Patterson. This 9 became the subject(主题) of a 1996 Hollywood movie called The Ghost and the Darkness. Now the Indian lions are endangered. It's really necessary for us to 10 the animals, or we won't see them again. Animals are our friends. It is our obligation to protect them.

先通读下面短文，读懂大意，然后从后面各题所给的A、B、C、D四个选项中选择可以填入相应空白处的最佳选项。

    Can you imagine that we could build a beautiful city with rubbish? Maybe you will think it is1. However, it can be true! Nothing is a waste if we have a creative mind. Let me show you something about2rubbish.

    Sometimes we can see tons of rubbish in the streets, on the roads, near the buildings... here and there. Many large cities became so ugly3it. Nobody likes rubbish, but in fact, some rubbish can be used again. All of us want to solve the problem, we must do something to4rubbish. We should take action from now on.5, some good things will not be wasted.

    Do you often throw away things you don't need any more? Have you ever thought about how these things can actually be put to good use? For Example, when a car gets too old, it may not run any more. But we can use the metal of the car to make something else. When a bottle is empty, it6as waste. You don't know bottle glass can be made into sand and used to build streets. Rubbish7food can be changed into fertilizer to make plants grow better. It is cheap and safe. And other rubbish can also be used to make building blocks. Now,8machines are designed for that.

    9, people will watch films in a beautiful cinema which is built out of rubbish. Besides buildings and roads, cities may be made from rubbish. But so far, building beautiful cities made from rubbish is only10.

完形填空

    March 22nd is World Water Day. It started in 1993. It not only makes us think about the importance of water, but also calls on us to1and protect water. Today, we're facing terrible water problems. Among them, Wastewater problem is especially2. And the subject of World Water Day in 2017 is "wastewater".

    What is wastewater? It is used water. Usually, wastewater comes from homes,3, hospitals and so on. It is produced by different kinds of activities, including washing the machines, taking showers and. using the kitchen. The rain also4wastewater when it is running down the street during a storm. No matter where it comes from, this kind of water is sure to have5harmful in it,

    6must we treat (处理) wastewater? Wastewater has a big influence on our life. It causes both illness for us, and pollution for the environment. We must care for our environment and our own7.

    How can we treat wastewater? Different kinds of wastewater need different ways of treatment. Wastewater8homes can be reused. Then there will be9wastewater. Also, factory wastewater has to be cleaned10it goes back to nature.

阅读下面短文，从各题所给的A、B、C、D四个选项中选出能填入文章中相应空白处的最佳答案。

    Turn on the tap (水龙头) and the water comes out. Getting water is so 1that you may think that there is an endless supply (供应量) of it. But it is not true. 70% of the earth is covered by water, 2 most of the water is salt water, leaving only a small percent of fresh drinking water. Some 3 including Italy, Spain and South Africa even buy water from other countries.

    Each person in the UK uses about 150 liters of water a day. However, each person in some countries4uses 5-10 liters of water a day. We should help save water. Let's have a look at 5 you can help:

    Don't leave the water running while brushing teeth. We brush our teeth twice a day and by turning the tap off when we brush, we6 save 5-10 liters of water.

    Don't use the toilet7 a wastebasket. Every time you flush (冲) used paper, waste food or other small bits of rubbish, 8 water is used.

    Make use of 9 Collect rainwater in water buckets (桶) in your garden and use it to water your plants.

    Reuse. Share bathwater with your family to reduce costs and water use. Or, set yourself a challenge to 10your shower time by 1 or 2 minutes.

阅读短文，掌握其大意，从各题所给的A、B、C和D项中选出最佳选项。

    Eleven-year-old Cherry Holmes is walking along the beach with her big sister and a friend. Wearing gloves to 1 their hands from any sharp objects, they are 2 a large rubbish bag with everything from fishing line and dirty plastic bottles to old shopping bags.

    The girls are taking part in International Beach Cleanup Day. It's an annual event that helps people see the 3 of keeping the world's oceans clean and sea-life safe. 4, a lot of rubbish never goes into a rubbish bin. Instead, it blows on the wind, and travels down rivers to the sea.

    Rubbish isn't just ugly — it can be 5 for animals that live in the water. Sometimes animals get caught up in rubbish and die. Sometimes they eat rubbish that poisons them. Sea turtles, for example, often mistake plastic bags for the jellyfish they love to eat.

     "When they first ask us to take part, I felt terrible! We had to 6 rubbish!" says Cherry. "But when I got there I found it was really 7! I liked meeting all the other people and improving the 8."

    This one-day event sends out an important message: "We are all connected to the ocean. We can help keep the ocean clean by 9 rubbish in the right place. Take the extra time to place rubbish in the bin instead of throwing it on the ground, and 10 everything we can to reduce pollution," say the event organizers.

完形填空

    Many people today read stories about UFOs. But what are UFOs? The most popular explanation for UFOs is that 1 carry visitors coming from other planets. They seem to fly much faster than planes on the earth. The explanation is believed by some UFO scientists. It is even believed that 2 UFOs reached the earth and space visitors were living among us. Sometimes people 3 mistakes when they say they have seen UFOs. They 4 see a weather balloon or a strange plane, or the light they see in the sky comes from the ground. Sometimes they see the moon shining on water vapor(水蒸气) in the air. However, there are a lot of 5we can't explain. It may take many years to find a clear answer.

先通读下面短文，掌握其大意，然后从短文后面各题所给的A、B、C、D四个选项中，选出最佳选项。

    The traditional Chinese lunar calendar divides a year into 24 solar terms(节气). The Spring Equinox which is called chunfen in Chinese usually falls1March 20 or March 21 every year.

    Standing an egg upright is a2game across the country during the Spring Equinox. People practice this tradition to celebrate the3of spring. It is believed that if someone can make the egg stand, he will have good luck in the future. It's also a good time to fly kites. In ancient times，people did not have good medical resources (资源)，4they wrote their medical problems on a paper kite to ask for good health. When the kite was in the air, people would5the line to let the paper kite fly away, which means the lying away of diseases.

读下面的短文，掌握其大意，然后从短文后各题所给的A,B,C,D四个选项中，选出最佳选项。

    "Dr. Papaderos, what is the meaning of life?"

    The usual laughter followed, and people stirred (喧闹) to go.

    Papaderos held up his hand and 1 the room and looked at me for a long time, asking with his eyes if I was 2 and seeing from my eyes that I was.

    "I will answer your question."

    Taking his wallet out of his hip pocket, he 3out a very small round mirror, about the size of a quarter.

    And what he said went like this:

    "When I was a small child, during the war, we were very poor and we lived in a 4 village. One day, on the road, I found the broken pieces of a 5. A German motorcycle had been wrecked in that place.

    I tried to 6 all the pieces and put them together, but it was not possible, so I kept only the largest piece. This one, and, by scratching it on a stone, I made it round. I began to play with it as a toy and became fascinated by the fact that I could 7 light into dark places where the sun would never 8-in deep holes and crevices (裂缝) and dark closets. It became a game for me to get light into the most inaccessible places I could find.

    I kept the little mirror, and, as I went about my growing up, I would take it out in idle moments and continue the challenge of the game. As I became a man, I grew to understand that this was not just a child's game but a metaphor (暗喻) for 9 I might do with my life. I came to understand that I am not the light or the source of light. But light-truth, 10, knowledge-is there, and it will shine in many dark places 11 if I reflect it.

    I am a fragment (碎片) of a mirror whose whole design and 12 I do not know. 13, with what I have I can reflect light into the dark places of this world-into the black places in the hearts of men-and change some things in some people. Perhaps 14 may see and do likewise. This is what I am about. This is the 15 of my life."