What have the two French geophysicists discovered in their research、

试卷相关题目

• 1The word “flip” (Line 6, Par

  A.2) most probably means “________”.A.decline

  B.intensify

  C.fluctuate

  D.reverse

  开始考试点击查看答案
• 2Which of the following titles is most appropriate to the passage、

  A.Polarity Reversal: A Fantastic Phenomenon of Nature.

  B.Measurement of the Earth’s Magnetic-Field Intensity.

  C.Formation of the Two Poles of the Earth.

  D.A New Approach to the Study or Geophysics.

  开始考试点击查看答案
• 3What is the message the author wants to convey in the passage、

  A.Eating and drinking have become more hazardous than before.

  B.Immediate measures must be taken to improve food production and processing.

  C.Health food is not a dream in modern society.

  D.There is reason for caution but no cause for alarm with regard to food consumption.

  开始考试点击查看答案
• 4The reduction of the possible hazards in food ultimately depends on ________.

  A.the government

  B.the consumer

  C.the processor

  D.the grower

  开始考试点击查看答案
• 5By saying “they employ chemical warfare” (Line 4, Par

  A.2), Bruce Ames means “________”.A.plants produce certain chemicals to combat pests and diseases

  B.plants absorb useful chemicals to promote their growth

  C.farmers use man-made chemicals to dissolve the natural chemicals in plants

  D.farmers use chemicals to protect plants against pests and diseases

  开始考试点击查看答案
• 6The French geophysicists’ study is different from currently prevailing theories in ________.

  A.its identification of the origin of the earth’s magnetic field

  B.the way the earth’s magnetic intensity is measured

  C.its explanation of the shift in the earth’s polarity

  D.the way the earth’s fluctuation rhythm is defined

  开始考试点击查看答案
• 7In Peter Oslo’s opinion the French experiment ________.

  A.is likely to direct further research in the inner physics of the earth

  B.has successfully solved the mystery of polarity reversals

  C.is certain to help predict external disasters

  D.has caused great confusion among the world’s geophysicists

  开始考试点击查看答案
• 8The reason why people might not be able to stay alive in a world without emotion is that ________.

  A.they would not be able to tell the texture of objects

  B.they would not know what was beneficial and what was harmful to them

  C.they would not be happy with a life without love

  D.they would do things that hurt each other’s feelings

  开始考试点击查看答案
• 9According to the passage, people’s learning activities are possible because they ________.

  A.believe that emotions are fundamental for them to stay alive

  B.benefit from providing help and support to one another

  C.enjoy being rewarded for doing the right thing

  D.know what is vital to the progress of society

  开始考试点击查看答案
• 10It can be inferred from the passage that the economic foundation of society is dependent on ________.

  A.the ability to make money

  B.the will to work for pleasure

  C.the capacity to enjoy incentives

  D.the categorizations of our emotional experiences

  开始考试点击查看答案