【简答题】W: What do you recommend ? M: I f you like Chinese f ood, the Peking Duck here is delicious. 22. Who is the man? ________ . A. A hairdresser B. A doctor C. A waiter
【判断题】border:1px solid #F00; 和border: solid #F00 1px;实现的效果是完全一样的。
【单选题】Who is the man? ________ . W: What do you recommend ? M: I f you like Chinese f ood, the Peking Duck here is delicious.
【判断题】密排六方与面心立方都属于密排结构,前者晶胞内包含6个原子,后者4个,因此密排六方结构致密度大于面心立方。
【单选题】Who?is?the?man? ________ .
【判断题】面心立方结构、体心立方结构和密排六方结构的致密度分别为 0.74,0.68,0.74