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课时作业4 Unit 4 Cyberspace 一、单元扣点 Ⅰ.单词拼写 1．He presented a new ________(概念) of the beginning of the universe. 答案 concept 2．He could not stand the terrible English ________(气候)． 答案 climate 3．This old man is a famous ________(原子能的) physicist. 答案 nuclear 4．The head office is in the ________(中心的) part of the city. 答案 central 5．The ________(平均的) age of the boys in this class is fifteen. 答案 average 6．Exercise and good food are important to the proper g________ of a child. 答案 growth 7．The flood caused serious d________ to the railway. 答案 destruction 8．Astronomy is the s________ study of the sun, the moon, and other heaven bodies. 答案 scientific 9．Wood and stone are the only raw m________ on the island. 答案 materials 10．Although our looks differ, we are both a________. 答案 attractive Ⅱ.完成句子 1．我建议我们星期天去公园。 I ________ our ________ to the park on Sunday. | 
