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Thank you Thank you Unit 1 The Changing World Topic 1 Our country has developed rapidly. Section D 一、根据提示补全单词。 1. Just make sure you s the windows, because it's cold outside. 2. During the Spring Festival, Chinese people are usually busy visiting their friends and r . 3. The b rang and I was off to have my first class. 4. Chinese （医疗的）team has provided great help for patients in Africa. 5. Kate has （已经）seen that film. She thinks it's interesting. hut elatives ell medical already 二、单选题。 1. －Is LinTao volunteer? －Yes. He teaches teenages to play chess when he's free. A. a; the B. an; / C. a; / D. an;the 2. Not only he but also I the movie already. A. has seen B. have seen C. saw D. see 3. People keep in touch their friends mainly cellphone. A. with; through B. of; by C. with,;