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(C)

Astronaut Jim Voss has enjoyed many memorable moments in his career,including three space flights and one space walk. But he recalls with special fondness a decidedly earthbound(为地球引力所束缚的)experience in the summer of 1980 when he participated in the NASA ASEE Summer Faculty Fellowship Program. Voss, then a science teacher at West Poin,was assigned to the Marshall Space Flight Center's propulsion(推进) lab in Alabama to analyze why a hydraulic fuel pump seal (液压燃料泵的密封圈)on the space shuttle(航天飞机) was working so well when previous seals had failed. It was a seemingly tiny problem among the vast complexities of running the space program. Yet it was important to NASA because any crack in the seal could have led to destructive results for the astronauts who relied on them.

“I worked a bit with NASA engineers,” says Voss, “but I did it mostly by an analysis. I used a handheld calculator, not a computer, to do a thermodynamic(热力学的) analysis.” At the end of the summer,he,like the other NASA ASEE fellows working at Marshall,summarized his findings in a formal presentation and detailed paper. It was a valuable moment for Voss because the ASEE program gave him added understanding of  NASA,deepened his desire to fly in space,and intensified his application for astronaut status.

  It was not an easy process. Voss was actually passed over when he first applied for the astronaut program in 1978. Over the next nine years he reapplied repeatedly,and was finally accepted in 1987. Since then he has participated in three space missions. The 50 year old Army officer,who lives in Houston,is now in training for a four-month mission as a crew member on the International Space Station starting in July 2000.

 Voss says the ASEE program is wonderful for all involved. “It brings in people from the academic world and gives NASA a special property for a particular period of time. It brings some fresh eyes and fresh ideas to NASA,and establishes a link with our colleges and universities,” Voss explains. “There's an exchange of information and an exchange of perspectives that is very important.”

For the academic side,Voss says,the ASEE program also “brings institutions of higher learning more insight into new technology. We give them an opportunity to work on real world problems and take it back to the classroom.”

66. Why was the hydraulic fuel pump seal important for the space shuttle?

A) Because previous seals all failed.

B) Because it was very complex in running the space program.

C) Because great care has to be taken of the hydraulic fuel pump sealing.

D) Because any crack in the seals would cause disastrous results for the astronauts.

67.The great significance of Voss's findings lies in_________ .

A) strengthening his determination to join in space flights

B) furthering his understanding of NASA

C) consolidating his astronaut status in NASA programs

D) Both A and B

68. How many flights will Voss have finished if his four-month mission starting in July 2000 ends up successfully?

A) Three  B) Two   C) Four     D) Five

69. Which of the following is NOT TRUE according to what Voss said on the ASEE program?

A) Fresh members from the academic world participate in the program.

B) The program brings new outlooks to NASA space programs.

C) It is important for the space scientists to exchange information and perspectives.

D) American colleges and universities are a special property of NASA.

70. What does Voss want to stress in the last paragraph?

A) The technological significance of the program.

B) The educational significance of the program.

C) The philosophical significance of the program.

D) The historical significance of the program.

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科目:高中英语 来源: 题型:阅读理解

Eating in space is different from eating on Earth. The food that astronauts carry with them does not look like the food you eat.

Some food is carried in closed bags. It is cooked and frozen before the astronauts get it. All the water is removed from the food. In the spaceship, the astronaut puts the water back. He "shoots" hot or cold water into the food bag with a special (特别的) gun. He eats the food through a small hole in the bag.

Other foods come in bite (一口) sizes. The astronaut puts a whole piece in his mouth at once. There can be no crumbs(碎屑). Crumbs would float around the spaceship and get in the way. Meat and cake often come in bite-size pieces.

Astronauts cannot drink water from open cups. The water would float in drops into the air. The water is put in the special gun. The astronaut shoots the water into his mouth.

Eating in space is not easy. Astron-auts must learn to eat this way.

10. Some space foods are carried in _______ .

A. water guns B. lunch boxes C. closed bags D. crumbs

11. Why can't astronauts drink water from open cups?

A. Because the water would float out from the open cups.

B. Because the water would spill all over the food.

C. Because crumbs would float in the cups.

D. Because the cups would float in the air.

12. The main idea of the whole story is that _______ .

A. there is more food and water in space than on earth

B. eating and drinking in space is a special problem

C. astronauts can never eat or drink in a spaceship

D. there is no expensive food or water in a spaceship

 

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