The harm radiation has done to the Apollo crew members ________.

试卷相关题目

• 1We know from the passage that ________.

  A.exposure to even tiny amounts of radiation is fatal

  B.the effect of exposure to radiation is slow in coming

  C.radiation is avoidable in space exploration

  D.astronauts in spacesuits needn’t worry about radiation damage

  开始考试点击查看答案
• 2According to the first paragraph, the atmosphere is essential to man in that ________.

  A.it protects him against the harmful rays from space

  B.it provides sufficient light for plant growth

  C.it supplies the heat necessary for human survival

  D.it screens off the falling meteors

  开始考试点击查看答案
• 3The sports meet, originally due to be held last Friday, was finally ________ because of the bad weather.

  A.set off

  B.broken off

  C.worn off

  D.called off

  开始考试点击查看答案
• 4I have kept that portrait ________ I can see it every day, as it always reminds me of my university days in London.

  A.which

  B.where

  C.whether

  D.when

  开始考试点击查看答案
• 5I’m not sure whether I can gain any profit from the investment, so I can’t make a(n) ________ promise to help you.

  A.exact

  B.defined

  C.definite

  D.sure

  开始考试点击查看答案
• 6It can be inferred from the passage that ________.

  A.the Apollo mission was very successful

  B.protection from space radiation is no easy job

  C.astronauts will have deformed children or grandchildren

  D.radiation is not a threat to well-protected space explorers

  开始考试点击查看答案
• 7The best title for this passage would be ________.

  A.The Atmosphere and Our Environment

  B.Research on Radiation

  C.Effects of Space Radiation

  D.Importance Protection Against Radiation

  开始考试点击查看答案
• 8According to the passage the preference test was conducted in order to ________.

  A.find out the role taste preference plays in a person’s drinking

  B.reveal which cola is more to the liking of the drinkers

  C.show that a person’s opinion about taste is mere guess-work

  D.compare the ability of the participants in choosing their drinks

  开始考试点击查看答案
• 9The statistics recorded in the preference tests show ________.

  A.Coca-Cola and Pepsi are people’s two most favorite drinks

  B.there is not much difference in taste between Coca-Cola and Pepsi

  C.few people had trouble telling Coca-Cola from Pepsi

  D.people’s tastes differ from one another

  开始考试点击查看答案
• 10It is implied in the first paragraph that ________.

  A.the purpose of taste tests is to promote the sale of colas

  B.the improvement of quality is the chief concern of the two cola companies

  C.the competition between the two colas is very strong

  D.blind tasting is necessary for identifying fans

  开始考试点击查看答案