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Unit1 A land of diversity 1、means n. (1)Every possible means __________ been tried. (A. have B. has ) (2)All possible means __________ been tried. (A. have B. has ) means “手段；方法”，单复数同形。 (1)B (2)A by this means 用这种方法 by means of…用……办法；借助…… by no means决不 by all means(表示同意)当然可以；务必； 无论如何 mean vi. 意思是；意味着 meaning n. 意思；意义 meaningful adj. 有意义的 meaningless adj. 无意义的 单项填空 ()(1)Dogs have a very good ______ of smell and are often used to search for survivors in an earthquake. A. sense B. view C. means D. idea ()(2)By no means ______ to your teacher. A. is this the first time you are lying B. this is the first time you have lied C. this is the first time you tell a lie D. is this the first time you have lied 2、occur vi. 根据语境猜词义 (1)Earthquakes occur frequently in this area. (2)It didn't occur to him that she would refuse his invitation. | 
