【单选题】在其著作Book of Optics中,()解释光线以圆锥形式投射到眼睛中。
【单选题】听力原文:W: May I speak to Mr. Li? M: Which Li, ma'am? There are two Lis here. W: Oh? Mr. Li, head of the Export Section. M: Oh, the chief? That's Mr. Michael Li, then. W: Is that right? M: I'm sorry, but...
【单选题】–Who is the man over there ? Is it Mr. Li? --No, it_____be him . Mr. Li is much taller.
【单选题】— Who is the man over there? Is it Mr. Li? — No, it _____ be him. Mr. Li is much taller. [ ]
【单选题】—Who is the man over there? Is it Mr. Li? —No, it _______ be him, Mr. Li has left for Hong Kong. [ ]
【单选题】—Look! The lights in the teachers' office are still on. Is Mr. Li working? —No. It _______ be Mr. Li. I saw him leave just now. [ ]
【简答题】根据下列图画用英语写一篇短文,图中男子为Mr. Li。 参考词汇: 足球迷 a football fan Mrs. Li 让Mr. Li照看厨房的饭; Mr. Li完全沉迷于球赛; Mrs. Li 回来闻到了糊味; 看到饭糊了,Mr. Li 这时才意识到自己的任务。 注意:1.短文应包括图中所提供的主要信息,井做适当发挥,使短文内容连贯、完整; 2.词数: 100左右. ____________...
【单选题】关于上皮组织特点的描述,下列哪一项不正确