题目

71. I like the house very much. The Christmas lights give it a festive __________(气氛). 72. Farmers ____________（溶解）man-made chemicals to grow their plants.   73. This scientist has come up with a new ____________(理论) in his research field.  74. The new hospital which is under construction will ____________ (有益于) the entire community.  75. Strange thoughts___________ (浮现) into my mind when I was nearly asleep. 76. Don’t talk about such a thing in the p___________ of young children. 77. I have no p ___________ with people who are always 调换顺序，给下面句子换个说法（可适当增减个别字词）。1、中国明代的官员万户，是世界历史上第一个试验乘火箭上天的人。_____________________________________________2、中国成为世界上第五个能够发射卫星的国家。_______________________________________3、载人航天工程，是中国航天史上规模最大、技术最复杂、安全性和可靠性要求最高的跨世纪重点工程。_______________________________