题目

甲、乙、丙、丁四位选手各10次射击成绩的平均数和方差如下表：选    手甲乙丙丁 平均数(环)9.29.29.29.2 方差(环2)0.0350.0150.0250.027 则这四人中成绩发挥最稳定的是(     )A.甲             B.乙            C.丙            D.丁  答案：B 解析:略 句型转换1. How's the weather in Wuhan?(改为同义句)    _____ _____ the weather _____ in Wuhan?2. They are enjoying themselves in the park. (改为同义句)    They are _____ _____ _____ _____ in the park.3. My grandfather is reading a book in the garden. (就划线部分提问)    _____ _____ your grandfather _____ a book ?4. It is an interesting place. (用what改为感叹句)    _____ _____ _____ place _____ _____!5. "学生们在等他们的老师吗?""是的."(根据汉语写英文)    -_____ students _____ _____ their teacher?    -Yes, _____ _____.