1．EversinceNeilArmstrongfirstsetfootontheMoonbackon21st...

问题详情：

1．Ever since Neil Armstrong first set foot on the Moon back on 21st July，1969，people have become accustomed________the idea of space travel.

2．Millions of people watched the first moon landing on TV，their hearts in their mouths，aware________how difficult and dangerous an adventure it was.

3．The single spaceships were very expensive as they could not take________more than once.

4．People were no longer so enthusiastic________a space travel programme that was costing the United States $10 million a day.

5．________the time the Challenger took off in 1986，the world seemed to have lost its fear.

6．An ordinary teacher，who was married________two children，was to be the first civilian in space.

7．The world was________shock—maybe they assumed this space flight would be no more dangerous than getting on an aeroplane.

8．Then，little more than a minute after take­off，we saw a strange red and orange light in the sky，followed________a cloud of white smoke.

9．________spite of all our advanced technology，the world is still only at the very beginning of its voyage into space.

10．When I heard that the bodies of the astronauts and even the teacher's lesson plan had been found________the bottom of the ocean，I was not so sure it was worth it at all.

【回答】

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8．by　　

知识点：完成句子

题型：完型填空