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Ⅰ. ACCAC Ⅱ.6- 10 BBBCA Ⅲ. 11-15 CABAC Ⅳ. 16-25 CBCAD AACCB Ⅴ. 26-35 BCADD DCBDC Ⅵ. 36-40 DDACD 41- 45DBABA 46 On July 20,1969. 47 Three. 48 It took 103 hours and 30 minutes. 49 Neil Armstrong. 50 对一个人来说，那是一小步，对人类来说，却是一个巨大的飞跃。 Ⅶ.51 months 52 universe 53 alone 54 understand 55 secret 56 latest 57 none 58 several 59 Recently 60 environment Ⅷ. 61.B 62.C 63.E 64.A 65.G Ⅸ. 参考范文： Last Saturday our teacher took us to visit the space museum.We met at the school gate at 7：30 in the morning.It took us about two hours to get there by bus.In the museum，we saw many pictures of spacecraft.We tried o n some space suits.And we were very happy to see Yang Liwei.He told us a lot about space.We had a good time there. 对于这个问题  我有话说(责任编辑：admin) |