Unit 4 Topic 3 China is the third nation that sent a person into space. Section D课件+练习+音视频
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Unit 4 Topic 3 China is the third nation that sent a person into space. Section D课件:37张PPT
Unit 4 Topic 3
Section D 同步练习
一、用方框中所给词或短语的适当形式填空
1. It ______(prove) that China has made great progress in its space industry.
2. They spent 2.5 hours __________ (explore) and collect...
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