如图，在△ABC中，DE∥BC， $\frac{AD}{DB}$=$\frac{1}{2}$，则下列结论中正确的是（　　）

D

    Our school is in Beijing. It isn't very big but it is very beautiful. There are a lot of trees in it. I'm in Class Two, Grade Seven. The walls of our classroom are white. There is a blackboard and some pictures on the wall. Our classroom is very clean （干净的）. There are 45 students in my class. Mr. White is our English teacher. He is from England. I like English very much. Mr. White is very friendly to us. He likes China and he is learning（学习）Chinese now. He can speak some Chinese. My father and mother are English teacher too. They often help me with my English. My classmates are very friendly. We are all friends. We love our school.

对下面几句诗的韵脚判断正确的一项是（      ）。

僵卧孤村不自哀，尚思为国戍轮台。

夜阑卧听风吹雨，铁马冰河入梦来。