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题型:阅读理解-单选 难度:0.65 引用次数:364 题号:2287871
Water is the "life blood" of our earth. It is in every living thing. It is in the air. It runs through mountains and valleys. It forms lakes and seas. Nature has a great water system(系统).Rainwater finds its way to rivers and lakes. River water runs into the sea. At the mouths of the rivers, fresh water joins the salt water of the sea.
Here at the mouth of a river there is much important plant and animal life. But pollution destroys this life. We have to clean our rivers. Man has to work with nature, not against it.
1. Water is like________.
A.cloudsB.bloodC.life
2. ________ is in every living thing.
A.BloodB.WaterC.Salt
3. The mouth of a river is near _________.
A.the seaB.a lakeC.a mountain
4. There is much plant and animal life at the _________ of a river.
A.headB.topC.mouth
5. We have to ________ our rivers.
A.findB.cleanC.pollute

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真题

【推荐1】Why Live Near the River?

Imagine pioneers traveling west in the 1800s. In those days, it was hard to find running water and shops where to buy things. As time went by, most pioneers had to make their homes near a river so that they could get water easily.

How did rivers help people live in the past?

Back in the pioneer days, people grew their own food, caught their own fish, and collected their own water.    1     People also used rivers as roads, traveling on boats. Traders shipped goods (货物) to people from other areas.

    2    

When building many factories right next to rivers for the water’s power to make machines work, some people choose to live near a river for working. They use the river to ship large goods, and some of them work at these factories where power factories provide electricity to homes and businesses.    3    

Who wouldn’t want to live near a river?

Some people are nervous about living near rivers because rivers can cause floods (洪水). Every once in a while, floodwaters rise higher than a house, ruining (泡坏) many things in the house.

    4    Such waste causes water to smell bad and pollutes the crops (庄稼) we eat. Water and crops in polluted areas can make people very sick.

How do people decide where to live?

    5    Rivers can provide jobs and fun activities in a beautiful place. However, those living by rivers should be willing to accept possible problems as well.

A.Why do people live near rivers now?
B.Why did people want to live near a river?
C.Some factories put their waste into rivers.
D.Staying close to a river was easy to get water for living.
E.Some factories stop waste water from running into rivers.
F.People who carry goods onto ships live near the river, too.
G.People should think over the possible risks before deciding where to live.
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文章大意:本文介绍了美妙的深海世界,白天有足够的光线,可以在深水中停留。水越深,光线越暗,且冷,此外,还有不少危险的动物,潜水员要注意安全。
【推荐2】阅读下面的短文,根据短文内容,从短文后的选项中选出能填入文中空白处的最佳选项。(每个选项只用一次,选项中有一项为多余选项)

The undersea world is very beautiful. Now more and more people want to dive in the water to find the secrets there. Scuba diving (潜水) is a kind of sport. It can take you into a wonderful undersea world.

    1     Some are as large as a school bus. Many sea animals give out light in the dark and some have sharp teeth.

During the day, there is enough light. Here, under the sea, everything is blue and green. When fish swim nearby, you can catch them with your hands. When you have bottles of rair on your back, you can stay in deep water for a long time.     2     And you must be very careful when you dive in deep water.

    3     It’s cold, and it’s dark, too. The deeper it is, the less sunlight there is. At about 3000 feet, there is no light at all. It is very dark in the sea. Many fishes have no eyes. Some have big eyes.     4    

Besides the cold and the darkness, deep-sea animals face a third danger—other animals.

Animals must find food to eat. Many animals eat plants. However, some animals eat meat.     5     They need to find animals as food, and they have to try not to become other animals’ meals.

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Although it is not the largest river in Asia, the Ganges River is still well-known. This river has religious (宗教的) and cultural significance to Hindu people. Also, the river provides millions of people with water for farming. There are nearly 150 species of fish living there today. Other animals also live in and around it, like snakes and other reptiles.

Length: 373 miles (about 600 km)
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You may not have ever heard of the Finke River in Australia. It’s not very long and it doesn’t even flow all the time. However, geologists (地质学家) have considered it as the oldest river in the world. That’s the reason why this river is well-known!

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