2017大學英語四級閲讀練習題
不知不覺馬上就要帶放寒假的時間啦,寒假時間除了過年吃吃喝喝,準備2017年6月英語四級的考生也不要放鬆哦,下面是小編為大家搜索整理的大學英語四級閲讀練習題,希望能給大家帶來幫助!
英語四級閲讀練習:
Some radio singals were heard in were coming from a point in the sky where there was unknown were coming very regularly,too:about once a seco nd,if they were controlled by clock.
The scientists who heard the signals did not tell anybody were rather afraid to tell in case they frightened signals were coming from a very small body—no bigger,perhaps than the that why no light could be seen from it?Or were the signals coming from a planet that belonged to some other star?There was no end to the questions,but the scientists kept the news secret.“Perhaps there are intelligent beings out there.”they thought,“who are trying to send messages to other planets,or to us?So the news was not given to the ead,the scientists studied the signals and searched for others like ,all that happened in 1967 and e then scientists have learnt more about those strange,regular,radio they have told the story,of course.
The signals do not come from a planet;they come from a new kind of star called a “pulsar””t a hundred other pulsars have now been found,and most of them are very like the first one.
Pulsars are strong radio are the smallest but the heaviest stars we know at present.A handful of pulsar would weigh a few thousand r light—if they give much light—is too small for us to we can be sure of this,no intelligent beings are living on them.
◆21. The radio signals discussed in this passage____.
regular controlled by a clock
heard in 1967 only secret messages
◆22. The radio singals were sent by____.
A.a satellite B.a planet
C.a sky body which was unknown at that time
lligent beings who were unknown at that time
◆23. The scientists did not tell people about the signals because____.
singals stood for secret messages
le would ask them too many questions
did not want to frighten people
stood for unimportant messages
◆24. A pulsar is____.
A. a small heavy star which sends out strong radio signals and cannot be seen
B. a small heavy planet which sends out strong radio signals and cannot be seen
C. a small heavy satellite which sends out strong radio signals and cannot be seen
D. a small intelligent being who sends out strong radio signals and cannot be seen
◆25. Which of the following is true?
of the pulsars found by scientists sends radio signals.
ar began to send radio singals in 1967.
ntists have searched for pulsars for many years but found none.
ntists have found many pulsars since 1967.
英語四級閲讀練習參考答案:
◆21. 答案A。見原文第一段,“They were coming very regularly,too.”他們同樣非常有規律,與 A)項同意。B)were controlled by a clock.由時鐘控制,原文前面有一表示“似 乎的`”連詞 if。C),D)根據下文判斷都不正確。
◆22. 答案C。見原文第三段“ come from a new kind of star called a “pulsar
””他們來自一種叫脈衝星的新型恆星。 A) a satellite衞星,B)a planet行星,D)當時未 知的智能生命。
◆23. 答案C。見原文第二段開頭“ The scientists who heard the singals did not tell anybody were rather afraid to tell in case they frightened people.”聽到該信號的科學家未告訴別人,他們害怕這樣會驚嚇了老百姓。因此選擇 C。
◆24. 答案A。 見原文第四段,實際由“star”這個單詞就可排除B),C)和D)選項。
◆25. 答案D。見原文第三段最後一句“About a hundred other pulsars have now been found...”因此D)項正確,其他各項均與原文意思不符。
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