试题与答案

阅读理解 Some people believe that internati

题型:阅读理解

题目:

阅读理解

     Some people believe that international sport creates goodwill between the nations and that if countries

play games together they will learn to live together.Others say that the opposite is true that international

contests encourage false national pride and lead to misunderstanding and hatred.There is probably some

truth in both arguments,   but in recent years the Olympic Games have done little to support the view that

sports encourage international brotherhood.Not only was there the tragic incident involving the murder of

athletes,   but the Games were also destroyed by incidents caused mainly by minor national competition.

     One country received its secondplace medals with visible anger after the hockey final.There had been

noisy scenes at the end of the hockey match,   as the losers objected to the final decisions.They were

convinced that one of their goals should not have been disallowed and that their opponents' victory was

unfair.Their manager was quite angry when he said: "This wasn't hockey.Hockey_and_the_International_

Hockey_Federation_are_finished." The president of the Federation said later that such behavior could

result in the disorder of the team for at least three years.

     The American basketball team announced that they would not give up first place to Russia,   after a

disputable end to their contest.The game had ended in disturbance.It was thought at first that the United

States had won,   by a single point,   but it was announced that there were three seconds still to play.A

Russian player then threw the ball from one end of the court to the other,   and another player popped it

into the basket.It was the first time the U. S.A. had ever lost an Olympic basketball match.Experts discussed the matter for four and a half hours before announcing that the result would stand.The American players then voted not to receive the silver medals.

     Incidents of this kind will continue as long as sport is played competitively rather than for the love of

the game.The suggestion that athletes should compete as individuals,   or in nonnational terms,   might be

too much to hope for.But in the present organization of the Olympics there is far too much that encourages aggressive patriotism.

1. According to the author,   recent Olympic Games have ________.

A. created goodwill between the nations

B. caused only false national pride

C. hardly showed any international friendship

D. led to more and more misunderstanding and hatred

2. What did the manager mean by saying,   "…Hockey and the International Hockey Federation are

    finished."?

A. His team would no longer take part in international games.

B. Hockey and the Federation are ruined by the unfair decisions.

C. There should be no more hockey matches organized by the Federation.

D. The Federation should not exist.

3. The basketball example implied that ________.

A. too much patriotism was shown in the incident

B. the announcement to make the match long was wrong

C. the appeal jury was too hesitant in making the decision

D. the American team was right in receiving the silver medals

4. What conclusion can be drawn from the passage?

A. The organization of the Olympic Games must be improved.

B. Athletes should compete as individuals in the Olympic Games.

C. Sport should be played competitively rather than for the love of the game.

D. International contests are liable for misunderstanding between nations.

答案:

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(1)效应器 神经中枢 传入神经(2)非条件反射 5→4→3→2→1该题考查的是反射弧的组成,反射弧由感受器 → 传入神经 → 神经中枢 → 传出神经 → 效应器五个基本环节组成(这里箭头表示神经冲动传...

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题型:阅读理解与欣赏

阅读下面的内容,完成下面3题

猪被冤枉了吗

方舟子

历史上,流感大流行每隔10-50年就出现一次。现在距离上一次流感大流行已经有40年,许多专家担心一次新的流感大流行迫在眉睫。上个世纪的3次流感大流行都被发现是由禽流感病毒演变而来的新型流感病毒引起的,所以禽流感在近年来引起了很大的关注。但是禽流感病毒直接变成能在人群中传播的人流感病毒的可能性不大,通常认为如果有猪做中介就会容易得多——现在你明白了为何这次出现了能在人群传播的猪流感让全世界都如临大敌了吧。

目前并没有在猪当中发现这种病毒,有人——特别是养猪业的人士——为猪鸣不平,认为猪被冤枉了。为了不想让猪担当恶名,世界卫生组织在叫了一阵猪流感之后,正名为A型H1N1流感,国内把它汉化为甲型H1N1流感。

一些病毒学家并不体谅世界卫生组织和各国政府试图保护养猪业的苦心,仍然坚持把这次流感称为猪流感。虽然目前并没有发现它曾经在猪群中传播,也没有直接证据表明它是从猪传给人的,但是间接的证据表明它只能是来自猪。流感病毒总共有8个基因片段。这次的流感病毒有6个基因片段是猪流感病毒的,剩下的2个片段原来分别属于人流感病毒和禽流感病毒,但是早在1998年就已经被结合到猪流感病毒里面去了。

人流感病毒和禽流感病毒的基因片段为什么会跑到猪流感病毒里面去了呢?流感病毒通过和细胞表面上的受体结合才能感染细胞。人细胞和鸟类细胞上的受体并不相同,人流感病毒和禽流感病毒分别只和相对应的受体结合,因此人流感病毒通常不能感染鸟类,禽流感病毒通常也不能感染人。但是在猪的细胞表面上同时存在这两类受体,除了猪流感病毒,人流感病毒和禽流感病毒也都能感染猪。这样,如果一头猪同时被这三种病毒感染上,它们就可能在猪的细胞内进行“杂交”,组合出一种同时含有猪、人和禽流感病毒的基因片段的全新的流感病毒,进而再传染给人或鸟。

要有这样的“杂交”,猪必须有机会同时和禽、人有亲密的接触。在亚洲南方农村,猪、鸡、鸭、鹅常常养在一起,而且和主人朝夕相处,正为流感病毒的杂交提供了大好机会。所以亚洲南方通常被认为是新的流感病毒的发源地。人与家禽家畜“和谐共处”的传统养殖方式,才是培养新型病毒的温床。

(原文有删节)

小题1:下列对文章的分析和概括,不正确的两项是(5分)

A.历史上每隔10-50年就出现一次流感大流行,这次猪流感就是一次新的流感大流行。

B.禽流感病毒如果有猪做中介就容易变成人流感病毒,从而在人群中传播。

C.目前并没有在猪当中发现猪流感病毒,世界卫生组织认为猪被冤枉了,为猪流感正名。

D.一些病毒学家坚持把这次流感称为猪流感,因为他们认为这次流感病毒只能来自猪。E.猪的细胞表面同时存在人流感病毒和禽流感病毒的受体,也能被这两种病毒感染。

小题2:本文题为“猪被冤枉了吗”,对这次流感而言,猪被冤枉的正反方论据各是什么?(3分)

正方:猪被冤枉了 论据                                                  

反方:猪没被冤枉 论据

小题3:甲型H1N1流感病毒怎么产生并传染给人?(4分)

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