问题
名词解释
煤系地层
答案
参考答案：
煤系地层简称煤系也叫“含煤建造”，是指在某一地质年代形成的含有煤层的地层。
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煤系地层
参考答案：
煤系地层简称煤系也叫“含煤建造”，是指在某一地质年代形成的含有煤层的地层。
| 完形填空。 | ||||
| The Browns 1 a building with two stories (层). 2 the first floor, there 3 a garage (车库), a living room, a dining room and a kitchen. Mr. Brown has a new car. He often 4 it to work. Mrs. Brown is a nurse. She often goes to work 5 , because the 6 is near to her house. On the second floor, 7 two bedrooms, a study, a living room and a bathroom. The big bedroom is 8 Mr. and Mrs. Brown. The small one is for their son, Jim. In the study, there is a computer. Jim usually plays games and downloads (下载) music 9 the Internet. The Browns have a very nice garden behind their house. It has some tall trees and many flowers. Mr. and Mrs. Brown work hard in their garden in 10 spare times. Now Mrs. Brown is getting some flowers in the garden. She will put the flowers in the dining room and the living room. | ||||
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