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center center多指物体垢正中心,表示"中心,中央" middle 指中间部,多指位置,不如center精确. There is a post office on _____ Street. A center B Middle C middle D Center The capital city is often the _____ of the very country. A center B part C middle D point across/through/over (1) across 作介词,意为"横过,在对面",表示从一定范围的一边到另一边,表示动作是在某一物体的表面进行的. Let's go across the bridge. 让我们一起过桥吧. (2) though 表示从空间内通过,穿过,强调动作是在物体里面进行的. He likes walking through the forest. 他喜欢穿越森林. (3)over表示在空间范围上通过,越过或垂直在上,不和物体接触. Look! The plane is flying over the city. 瞧,飞机在城市上空飞. The bank is _____ from the hospital. next to 介词短语,意为"在…旁边,邻近的" I sit next to Jim. 我坐在吉姆旁边. There is a library next to me. 在邮局旁边有一家图书馆. (1)next 也可作介词,意为"紧靠…的旁边" My friend Tom sits next to me. 我的朋友汤姆坐在我旁边. (2)next 可作形容词,意为"下一个的,紧挨着的".也可作副词,意为下一步,其次". Tom is singing in the next room. 汤姆在隔壁房间里唱歌. I don't know what to do next. 我不知道下一步干什么. (3)next可与week, month, year等词连到用,表示从现在算起的时间. next year 明年 next month 下个月 next week 下周 (4)next 前加the,再与week, month, year等词连用,表示从过去时间点算起的时间. the next week 第二周 the next year 第二年 the next month 第二个月 There is a post office _____ the library. A near to B next to C of D on (责任编辑：admin) |