阅读理解。 All of us know trees are useful to man in three very important ways: t

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阅读理解。     All of us know trees are useful to man in three very important ways: they give us wood and other
products, they give us shade, and the most important of all, they help to prevent droughts and floods.
     In many parts of the world, however, people have not realized the importance of trees to us.
     Two thousand years ago, a rich and powerful country cut down its trees to build its warships, with
which it gained itself an empire (帝国). It gained the empire, but without its trees, its soil became hard
and poor. When the empire fell into pieces, the home country found itself faced by floods and hunger.
     Even when a government realizes the importance of forests, it is difficult for it to make villagers see
this. The villagers want wood to cook their food, and they can earn money by making things or selling
wood to the town people. They are usually too lazy or too careless to plant and look after new trees. So
unless the government does something to control, and also to educate the people, the forests will slowly
disappear. 1. The most important service of trees is that _______. A. they help people to get rich
B. they provide people with shade
C. they help to prevent droughts and floods
D. they can be used to build warships 2. The empire fell into pieces because _______. A. it had lost all of its warships
B. it couldn"t provide its people with enough money
C. it didn"t ask people to plant many trees
D. its people couldn"t make a living 3. Which of the following is NOT true according to the passage? A. Many people haven"t realized the importance of forests.
B. The government should do something to protect the forests.
C. The empire became rich and strong with its powerful warships.
D. People often don"t take good care of the new trees they have planted. 4. The forests will disappear if _______. A. the government realizes the importance of the forests
B. the villagers realize the importance of the forests
C. the government doesn"t do something to control or to educate the people
D. the villagers don"t cut trees down to make money 5. The writer"s purpose in writing the text is _______. A. to give us advice on how to protect forests
B. to tell the story of the empire two thousand years ago
C. to call on people to do something to protect forests
D. to tell the people to plant as many trees as possible

答案

1-5 CDCCC

举一反三

阅读理解。     Trees are one of the oldest "citizens (公民)" of our Earth. They keep our air clean, reduce noise pollution,
improve water quality (质量) and provide food and building materials.
     Just like us, trees change a lot as they grow. At l to 3 years old, young trees learn how to protect
themselves. For example, many trees grow thorns (刺) to warn animals not to go near. Most young trees have
large, deep green leaves so that they can catch enough sunlight and change it into their food and energy.
     当小树成长到四岁的时候，它们成长开始加速并且变得足够强壮以面对未来生命中的挑战。 At the
age of 15, trees become young adults. They grow more slowly and begin to produce flowers and fruit.
   It is not until the tree is 20 to 25 years old that it becomes a real adult. The tree reaches its largest size. Not
only does the adult tree give us shade, oxygen (氧气) and natural beauty; it is also a great place for a tree
house, or a place for us to nap, read a book, listen to music or sip.(小口喝) tea. If we give the adult tree
proper care, it will continue to live healthily for many years.
     Gradually (渐渐地), trees begin to grow older and older and even die. At this time, they still have their
important place in nature. When a tree becomes hollow (空心的) or part of it becomes dead, it provides a
home to small animals" and is a source of food for many other animals.
    In many ways, the life of a tree is similar (相似的) to our own life experience. When we are looking at the
life of a tree, we learn about that each period of life brings its own form of joy and challenge. Enjoy every
minute of the life of the trees and take care of the trees! 1. How do young trees protect themselves? And why do they have large, deep green leaves?
    ___________________________________________________________________
2. Why should we enjoy every minute of our own life?
    ___________________________________________________________________
3. 将文中画线的汉语句子翻译成英语。（一空一词）
   When trees are 4 years old, they begin to grow very rapidly and become ______ ______ to face
   challenges later in life.
4. 将文中画线的英语句子翻译成汉语。
     ___________________________________________________________________
5. 根据短文内容，写出能概括全文大意的句子。
     ___________________________________________________________________

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阅读理解。     Spending two or three hours playing outdoors each day can reduce a child"s chance of becoming short-
sighted, a research shows. It challenges (挑战) the belief that short-sightedness is caused by computer use,
watching TV or reading in weak light.
     The Australian government researchers believe that sunlight is good for people"s eyes. They compared
the vision (视力) and habits of 100 seven-year-old children in Singapore and Australia. In all, 30% of the
Singaporean children were short-sighted-this rate (比率) was ten times higher than Australian children.
     Both groups spent a similar amount of time reading, watching television and playing computer games.
However, the Australian children spent an average (平均) of two hours a day outdoors-90 minutes more
than the Singaporean children.
     Professor (教授) Ian Morgan, from the Australian Research Council"s Vision Centre, said, "Humans are
naturally long-sighted, but when people begin to go to school and spend little or no time outdoors, the number
of short-sighted people gets larger. We"re also seeing more and more short-sighted children in cities all around
the world-and the main reason may be that city children spend less time outdoors."
     Daylight can be hundreds of times brighter than indoor light. But why does playing outside prevent us from
becoming short-sighted? Scientists believe that natural light has a special chemical (化学物质) which stops
the eyeball from growing out of shape and prevents people becoming short-sighted. So be outdoors. It doesn"t
matter if that time is spent having a picnic or playing sports. 1. How much time did the Singaporean children spend outdoors on average every day in the research? A. 2 hours.
B. 90 minutes.
C.1 hour.
D. 30 minutes. 2. What is the fifth paragraph mainly about? A. Why people become short-sighted.
B. Why natural light has a special chemical.
C. Why playing outside is good for one"s eyesight.
D. Why daylight is much brighter than indoor light. 3. Which of the following is true according to the passage? A. People will all become short-sighted after they begin to go to school.
B. Playing outdoors for 2 or 3 hours every day can help protect your eyesight.
C. Children in Australia are more likely to get short-sighted than those in Singapore.
D. If you spend two or three hours playing outside each day, you won"t get short-sighted.

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阅读下面短文，简要回答所给问题。      The first Earth Day was in 1970. People were beginning to worry about what we were doing to our
environment. So they set up Earth Day to tell everyone about their worries.
     In 2007 organizers m over 150 countries planned over 4,000 big events. But Earth Day is not just about
marches (游行) and big events. In the week around Earth Day (22 April) there were many thousands of
smaller, local events. These events dealt with environmental problems in the neighborhood.
    The World Wide Fund for Nature made a list of 5 things that each person could do to save the environment.
     * Don"t leave the tap running.
     * Turn off lights when you leave a room.
     * Turn off your computer every night.
    * Wash your clothes, and yourself, in warm or cold water, not hot water.
     * Dishwashers use as little water as possible. If we all do at least 2 0f these all the time, we can make a big
difference. 1. What is the purpose for people to set up Earth Day?
    ________________________________________________________________________________
2. When is Earth Day?
    ________________________________________________________________________________
3. What should people do when the water keeps running from a tap?
    ________________________________________________________________________________
4. Does the word "dishwashers" mean "machines for washing dishes"?
    ________________________________________________________________________________
5. Besides the five, what else can you do to save our environment? (One example is OK.)
    ________________________________________________________________________________

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根据短文内容，判断下列句子是否正确，对的填(A)，错的填(B)。     Diseases that can spread from one person to another are called infections (传染病). A UN health expert
warns that a new flu pandemic (世界性的流感) is coming. How do such diseases go round? Some diseases
go round in one way. Some in many ways.
     For example, the virus (病毒) that make you catch a cold can travel from one person to another through
cough. They are breathed in with the air. That is a good idea to stay away from people who have a cold. What
seems to be a cold may be the beginning of some more serious diseases.
     Virus travel from one person to another in many ways. Some diseases are carried by insects, such as flies
and mosquitoes (蚊子).
     Larger animals can also carry diseases. People can get diseases from dogs or even rabbits. At one time
many people got TB (肺结核) by drinking milk form cows that had the disease. Today, milk is made safe. The
milk is heated and made cold. (     )1. Diseases can go round only in one way.
(     )2. When you catch a cold, you don"t need to stay away from people.
(     )3. A cold may cause some other serious diseases.
(     )4. Flies are useful insects because they can carry some diseases to people.
(     )5. If a person drinks the milk which is from a sick cow, he may have the disease as well.

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读短文完成下列两项任务。     Here are two cars. They may some day (1)_____ the place of today"s big cars. If we use such cars in
the (2)_____, there will be less pollution in the air. There will be more (3)_____ for parking cars in cities, and
the streets will be less crowded. Three such cars park in the space that is needed for one of today"s cars.
    The little cars will be very cheap. They will be very safe, too, because these little cars can go at a (4)_____
of only 65 kilometers per hour.
     The cars of the future will be fine for getting around a city, but they will not be useful for long trips. If the
car is powered by electricity, it will have two batteries-one battery (蓄电池) for the motor and the other for the
lights, signals, etc. If the little cars run on gasoline (汽油), they will go 450 kilometers before they need to stop
for more gasoline.
    If big cars are still used along with the small ones. We must (5)_____ two sets of roads, one for the big,
(6)_____ cars and the other for the (7)_____, slow ones. 1. 根据上下文填词，完成短文，每空一词。 (1)______(2)______(3)______(4)______(5)______(6)______(7)______2. 根据短文内容将句子补充完整。 (1). If we use these little cars in the future, there will ______ in the air.
(2). In the space for one of today"s cars we will be able to park ______.
(3). The cars of the future will be fine for ______.
(4). If small cars are used along with today"s big ones, we must build two sets of ______.

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