Ⅰ.Fast­reading

　　Skim the text and match each part with its main idea.

　　①Part 1　 A. The writer witnessed the exploration of the Challenger.

　　②Part 2　 B. Human exploring the universe.

　　答案：①～②　BA

　　Ⅱ.Careful­reading

　　Read the text carefully and choose the best answer.

　　1. Why were people NOT enthusiastic about the space travel programme after the first moon landing?

　　A. It was meaningless.

　　B. It used space shuttles.

　　C. It cost the USA a lot of money.

　　D. There were fewer space travelers.

　　2. Which of the following marked the beginning of a new space travel?

　　A. The Columbia's space travel.

　　B. The Viking 1's space travel.

　　C. The Apollo 11's space travel.

　　D. The Challenger's space travel.

　　3. From Part 2 in the text, we can infer that ________.

　　A. we have achieved great success in space travel

　　B. we still have a long way to go in space exploration

　　C. people are not interested in space travel

　　D. space travel should not include ordinary people

　　答案：1～3　CAB

　　Ⅲ.Study­reading

　　Analyze the following difficult sentences in the text.

　　1. All three astronauts made it safely back to Earth, using a spaceship computer that was much less powerful than the ones used by the average school students today.

[句式分析]　本句是一个复合句。主句是All three astronauts made it safely