Directions:In this section, you’ll hear three passages. At the end of each passage, you'll hear some questions. Both the passage and the questions will be spoken only once. After each question, choose the best answer from the four choices marked A, B, C, and D.Passage1:1.[音频]Questions 1 to 4 are based on the passages you have just heard.1.
A. The International Mars Society.
B. Inspiration Mars Foundation.
C. Ames Research Center in California.
D. American state of Colorado.
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2.
A space craft would carry two men to Mars.
B. The crew members would be all Americans.
C. America is responsible for getting the craft to Mars.
D. University students would design the flight operation.
3.
A. He is just a businessman.
B. He loves touring around the world.
C. He belongs to the Inspiration Mars Foundation.
D. He invented the idea of the competition.
4.
A. Mainly students.
B. Mainly professors.
C. Mainly students.University alumni and professors.
D. Professors and students.
Passage2:Questions 5 to 8 are based on the passages you have just heard.5.
A. Snow can cause thousands of deaths in the United States every year.
B. Snow can be very dangerous although it is beautiful.
C. Snow can lead to many people’s heart attack in the United States.
D. Snow can make it more difficult to do physical activity in winter.
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