1．EversinceNeilArmstrongfirstsetfootontheMoonbackon21st...
問題詳情：
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】
t
8．by
知識點：完成句子
題型：完型填空
