摘要:第一节:单项填空(共15小题,每小题1分.满分15分)从A.B.C.D四个选项中.选出可以填入空白处的最佳选项.21.The Chinese astronauts Fei Junlong and Nie Haisheng were so struck by beauty of nature that they took lots of pictures in space. A./; / B./; the C.the; the D.the; /

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