2.By the time the Challenger took off in 1986, the world seemed to have lost its fear and wonder at the amazing achievement of people going up into space.

到1986年"挑战者号"起飞之前，人们似乎已经沉醉于人类走进太空这一巨大成就而忘记了恐惧，也失去了好奇心。 seem to have done ..."似乎已经......"，have done表明发生在谓语动作之前的动作。 She seemed_to_have_known_about the news.

她似乎已经知道了这个消息。 3.The world was in shock - maybe they assumed this space flight would be no more dangerous than getting on an aeroplane.

全世界都震惊了--也许他们原本都认为这次太空飞行跟乘坐飞机一样没有什么危险。 ... no＋比较级＋than ..."同......一样不......"。 This story is no_more_interesting_than the one that Tom told us yesterday.

这个故事和汤姆昨天讲的那个故事一样没趣。 　　

　　1．(教材P58)Ever since Neil Armstrong first set foot on the Moon back on 21st July, 1969, people have become accustomed to the idea of space travel.

　　自从尼尔·阿姆斯特朗在1969年7月21日首次踏上月球以来，人们对太空旅行这一概念已经非常熟悉。

　　accustomed adj.习惯的

　　(1)be/get/become accustomed to

　　　　　　　　　　 习惯于......

　　(2)accustom vt. 使习惯于......，使适应......

　　accustom oneself/(sb.) to (doing) sth. 使某人习惯于(做)某事

　　①I am accustomed to listening to some light music before sleep.

　　我习惯睡前听点轻音乐。

　　②It took me a long time to accustom myself to all the new rules and regulations.

　　我花了很长时间才适应了所有新的规章制度。

[名师点津]　be/get/become accustomed to和accustom oneself to中的to