题目内容

3.Nuclear power's danger to health,safety,and even life itself can be summed up in one word:radiation.
Nuclear radiation has a certain mystery about it,partly because it cannot be detected by human senses.It can't be seen or heard,or touched or tasted,even though it may be all around us.There are other things like that.For example,radio waves are all around us but we can't detect them,sense them,without a radio receiver.Similarly,we can't sense radioactivity without a radiation detector.But unlike common radio waves,nuclear radiation is not harmless to human beings and other living things.
At very high levels,radiation can kill an animal or human being immediately by killing masses of cells in vital organs.But even the lowest levels can do serious damage.There is no levels of radiation that is completely safe.If the radiation does not hit anything important,the damage may not be serious.This is the case when only a few cells are hit,and if they are killed immediately.Your body will replace the dead cells with healthy ones.But if the few cells are only damaged,and if they reproduce themselves,you may be in trouble.They reproduce themselves in a deformed way.They can grow into cancer.Sometimes this does not show up for many years.
This is another reason for some of the mystery about nuclear radiation.Serious damage can be done without the victim being aware at the time that damage has occurred.A person can be irradiated(辐射)and feel fine,then die for cancer five,ten,or twenty years later as a result.Or a child can be born weak as a result of radiation absorbed by its grandparents.Radiation can hurt us.We must know the truth.
32.How can nuclear radiation kill an animal?D
A.By damaging its heart.
B.By killing a few cells.
C.By hitting any place in its body.
D.By killing many cells in important organs.
33.The word"deformed"in paragraph 3has the similar meaning toA.
A.unnatural      B.normal      C.usual      D.proper
34.What can we infer from the passage?D
A.We can't detect radioactivity even with modern equipment.
B.Only radiation at very high levels can kill an animal or human being.
C.If a few cells are only damaged,healthy cells will take the place of dead ones.
D.Radiation is harmful no matter what level it is.
35.What's the author's main purpose in writing this passage?C
A.Discussing the cause of cancer.
B.Solving the mystery about radiation.
C.Emphasizing the importance of protection of radiation.
D.Introducing the nuclear power.

分析 本文向我们介绍了核能对我们健康的危害.核能对人类的健康、安全乃至生命所造成的危害可用一个单词加以概括:辐射.

解答 32-35 DADC
32.D 细节理解题.根据第三段At very high levels,radiation can kill an animal or human being immediately by killing masses of cells in vital organs可知核辐射通过杀死许多体内重要的器官的细胞杀死动物;故选D
33.A 猜测词意题  根据第三段They reproduce themselves in a deformed way.They can grow into cancer.可知他们可能变成癌症,所以细胞再生的方式是朝着不好的方向发展,所以本题选A.
34.D 考查推理判断题 根据第三段There is no levels of radiation that is completely safe.可知任何水平的辐射都是不安全的,所以选D
35.C 考查主旨大意题  本文主要向我们介绍了核能对我们健康的危害.所以本文的目的是强调防范核辐射的重要性,所以选C

点评 阅读理解题测试考生在阅读基础上的逻辑推理能力,要求考生根据文章所述事件的逻辑关系,对未说明的趋势或结局作出合理的推断;或根据作者所阐述的观点理论,对文章未涉及的现象、事例给以解释.考生首先要仔细阅读短文,完整了解信息,准确把握作者观点.

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B.Killing Whale Shark
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C.the number of the whale shark may be small
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C.thought          D.made sure.
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25.From Paragraph 1,we know thatB.
A.Dubai government tries to improve its local incomes
B.Dubai government tries to solve traffic problems
C.Dubai government tries to reduce prices for parking
D.Dubai government tries to offer insurance to locals
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A.Mr Lootah's approach will be copied widely.
B.mayors take gentle measures toward them.
C.more vehicles will be sold globally each year.
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A.Its natural geographical characteristics.
B.Its too many tourist destinations.
C.Its reduced number of cars.
D.Its government law on car free.
28.What can we learn from Paragraph 4?D
A.People can only walk in central city.
B.All vehicles can be used in central city.
C.Hamburg may not adopt"green"machines.
D."Green"machines can be accessible in central city.
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A.it was in the hole                   B.it was very hot
C.it was orange                        D.it was harmful
26.How many coal fires are there in the world?C
A.There's only one                   B.It's hard to say
C.There are 260                       D.The article doesn't tell us.
27.What's one of the best ways to put out the underground fire?B
A.To cover the holes with stones       B.To speed up the fires
C.To see the fires burning             D.To do some experiments
28.Why do Scientists want to put out the underground coal fire?BecauseA.
A.They are harmful and dangerous      B.They are hot.
C.They are smoking                    D.The article doesn't tell us.

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