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单词填空(共10小题,每小题1分,满分10分) 1.You’re not allowed to park here unless you have a ____ ___(许可证). 2. There used to be a ____ ____(混泥土) building. 3. I want to buy two second-class ____ ____(单程票) to Shanghai. 4. Most of us probably hope that we will never have to face major_______ __ (外科手术). 5. Indeed, your ____ ____(无意识的) mind is working out problems all the time. 6. Many of the earth’s plants and animals have already died out, and several other __ _____(物种)are endangered. 7. Winkles(皱纹)have crept onto my mother’s ______ ____(前额). 8. Chinese students usually start to study ______ ___(化学) in the third grade of junior middle school. 9. She was one of the _____ __(受害者) of the road accident. 10. When will the new book be _____ _____(出版)?