(二)选词填空：根据短文意思，选择方框内所给的词语填入短文空白处，使文章通顺、完整(每次只能用一次；注意所选词汇的词形变化；有两个多余选项)。

　　 Last Wednesday, Mr Chan took his class to the Space Museum. (76) ___________, the children watched a movie about space travel. They saw how the space shuttle (航天飞机) took off in space and later landed on earth again. It was very exciting (77) ___________the children felt that they were traveling in space (78) ___________ !

　　　 After the (79) ___________, Mr. Chan took them to see some models of rockets (火箭) and the space shuttles. The models looked very real, but they were (80) ___________. The children also saw some moon stones. Two Americans landed (着陆) on the (81) ___________ in 1969. They put an American flag there. Then they brought some stones back to the earth. 　　　Before the children left, they (82) ___________a video show about people living and (83) ___________in a spacelab (太空实验室). The spacelab was very big. There were kitchens, bathrooms, bedrooms and a big workshop (84) ___________people to work in. The people could (85) ___________in the spacelab for months.

75. He___________ (描述) what he had seen on the journey to Mount Tai.

74. Your watch doesn't work. It needs___________ (修理).

72. When I finish high school, I want to go to a good u___________ to study English.73. My brother is a college student who studies a___________ history.

(一)单词拼写：根据句意和所给首字母及汉语提示完成单词。

71. They're on v___________ for the next two weeks.