2017年同等學力申碩英語閲讀理解專項練習題與解析

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2017年同等學力申碩英語閲讀理解專項練習題與解析

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 outright by killing masses of cell in vital organs. But even the lowest levels can do serious damage. There is no level of radiation that is completely safe. If the radiation does not hit anything important,the damage may not be significant. This is the case when only a few cells are hit,and if they are killed outright. 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 and feel fine,then die of cancer five,ten,or twenty years later as a result. Or a child can be born weak or liable to serious illness as a result of radiation absorbed by its grandparents.

Radiation can hurt us. We must know the truth.

rding to the passage,the danger of nuclear power lies in .

A. nuclear mystery B. radiation detection

C. radiation level D. nuclear radiation

2. Radiation can cause serious consequences even at the lowest level .

A. when it kills few cells

B. if it damages few cells

C. though the damaged cells can repair themselves

D. unless the damaged cells can reproduce themselves

word“significant”in paragraph 3 most probably means .

A. responsible B. meaningfulC. fatal D. harmful

ation can hurt us in the way that it can .

A. kill large numbers of cells in main organs so as to cause death immediately

B. damage cells which may grow into cancer years later

C. affect the healthy growth of our offspring

D. All of the above

h of the following can be best inferred from the passage?

A. The importance of protection from radiation cannot be over-emphasized.

B. The mystery about radiation remains unsolved.

C. Cancer is mainly caused by radiation.

D. Radiation can hurt those who are not aware of its danger.

  譯文:

核能對健康、安全甚至生命本身構成的危害可以概括為一個詞:輻射。

核輻射有着某種神祕的地方,部分原因是它無法被人類的感官所感知。即使它可能就在我們周圍,人們也不能看到或聽到、觸摸到或者品嚐到它。還有一些其他東西也像這樣。比如:無線電波就在我們周圍,如果沒有接收器,我們也無法探測到它們。同樣,如果沒有輻射探測器,我們也無法感覺到輻射。但是,不像一般的無線電波,核輻射對人類和其他生物是有害的。

當核輻射強度非常高時,輻射可以通過殺死重要器官的大量細胞,導致動物或人立刻死亡。但是,即使是輻射強度最低的時候也能導致嚴重的傷害。沒有哪一種強度的輻射是絕對安全的。如果輻射沒有傷害到任何重要的器官,這種傷害可能就不嚴重。這種情況是隻有少數細胞受到輻射並且被殺死了,你身體內的死亡細胞就會被健康的細胞代替。但是,如果少數的細胞僅僅是受到傷害,並且如果它們自己可以再生,你可能就陷入麻煩了。它們是以一種畸形的方式進行再生的。它們能夠演變成癌。有時,這種症狀很多年後才會顯現出來。

下面是有關核輻射某種神祕性的另一個原因。在輻射造成損害時,受害者可能不知道自己已經受到嚴重傷害。一個人被輻射後可能感覺正常,然後在五年、十年或二十年後死於癌症。或者,由於其祖父母受到輻射,一名小孩可能生下來就體弱,或易患病。輻射會傷害我們。我們必須瞭解這個事實。

  參考答案與解析

1.【正確答案】D

【考點類型】細節判斷

【解析過程】根據文章表達,核能的危險在於 。

A. 核的神祕B. 放射檢查

C. 放射的程度D. 核放射

線索:文章的第1段提到“Nuclear power’s danger to health,safety,and even life itself can be summed up in one word:radiation.”表明選項D是正確答案。

2.【正確答案】B

【考點類型】細節判斷

【解析過程】輻射即使在最底的程度也會造成嚴重的後果, 。

A. 當它殺死很少的細胞時

B. 如果它危害很少的細胞

C. 儘管受危害的細胞能自己修復

D. 如果受危害的細胞能自我複製

線索:文章的第3段提到“But if the few cells are only damaged,and if they reproduce themselves,you may be in trouble.”表明選項D是正確答案。選項A和原文的內容相反,原文説“only a few cells are hit,and if they are killed outright. Your body will replace the dead cells with healthy ones.”這樣不會造成嚴重的後果。C和B選項的.內容和原文第3段的內容不符合。

3.【正確答案】C

【考點類型】詞彙推斷

【解析過程】這個單詞“重要的”在文章第3段最有可能的含義是 。

A. 負有責任心的B. 有意義的

C. 致命的D. 有害的

線索:根據文章的第3段提到的內容,如果輻射沒有攻擊到任何重要的東西,那麼危害也許就不是非常的嚴重。所以選項C是正確答案。

【考點提示】詞彙題的解決辦法是代入法:即當不能確定答案時把選項分別代入原文,看看哪一個通,那麼就是哪個。

①返回原文,找出該詞彙出現的地方。

②注意結合上下文理解該單詞的含義。

③如果該詞彙是簡單詞彙,則其字面意思必然不是正確答案。

4.【正確答案】D

【考點類型】細節判斷

【解析過程】輻射能傷害我們通過的方式是 。

A. 殺死身體主要器官中的大量細胞而使人立即死亡

B. 損害的細胞幾年後會變成癌症

C. 影響我們後代的健康成長

D. 以上各項

線索1:文章的第3段提到“At very high levels,radiation can kill an animal or human being outright by killing masses of cell in vital organs.”提到選項A;

線索2:文章的第3段提到“ reproduce themselves in a deformed way. They can grow into cancer...”提到選項B;

線索3:文章的第4段提到“Or a child can be born weak or liable to serious illness as a result of radiation absorbed by its grandparents.”提到選項C。

根據線索1、2、3,我們可以判斷正確答案應該是D。

5.【正確答案】A

【考點類型】主旨推斷

【解析過程】我們可以從文章中推出下面哪句?

A. 保護人們遠離輻射,這一重要性再如何強調也不過分

B. 輻射的神祕仍然沒有被解決

C. 癌症主要是由輻射造成的

D. 輻射能傷害那些沒有意識到其危險的人

從文章的整體我們可以看到輻射的問題非常嚴重,我們應該遠離輻射。文章第1段、第5段都明確地提到了這一點。

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