4.in_order_to/so_as_to为了
5.rather_than而不是
6.in_conclusion最后,总之
7.permit_sb.to_do_sth.允许某人做某事
8.defend_against防卫......以免于
9.go_canoeing去划船
10.make_suggestions建议,指示
1.This marked the beginning of the "space race" between the US and the USSR,which ended with_the_US_putting a man on the moon in 1969.
这标志着在美国与苏联之间的"太空竞赛"开始了,这场竞赛以美国在1969年把人类送上月球而告终。
2.It was launched in 1990 so_that astronomers could observe space without the Earth's atmosphere being a barrier.
它于1990年被送入太空,以便天文学家观测太空时能不受地球大气层的阻碍。
3....so_as_to research life in space and provide a stepping stone in_case future manned flights are sent out.
......为的是研究太空生命并为将来发送载人客机提供落脚地。
4....as_long_as people remain interested,we will keep exploring the world overhead.
......只要人们仍心存兴趣,我们将会继续探索头顶上的世界。
阅读P26课文,完成下列各题
Ⅰ.课文阅读理解
1.Human began to explore space in ________.
A.1957 B.1961
C.1969