2017届高考英语大一轮复习专题课件：专题2 代词和介词（全国通用）_高考复习指南

2017届高考英语大一轮复习专题课件：专题2 代词和介词（全国通用）

　　I walked along the river.我沿着河边走。

　　across表示“从……的一边到另一边”，强调横过。

　　I walked across the square.我走过广场。

　　through侧重从一端穿到另一端。

　　I walked through the woods.我散步穿过树林。

　　5.past，over，across，through的用法 The Great Wall winds its way from west to east，across deserts，over mountains，through valleys，till at last it reaches the sea. 长城从西向东越过沙漠，跨过高山，穿过深谷，蜿蜒而行，最后直抵大海。 The crowd of people walked past the City Hall to the Center Square. 一群人经过市政厅走到了中心广场。 6.above，over，under，below，on，beneath的用法 Be careful，there is a heavy box over your head. 小心，你头上方有个很重的箱子。 The sun is above the mountain in the east. 太阳就在东方，那座山的上方。 There are some stamps on the desk. 桌子上有一些邮票。 The position he pointed to was below the sea level. 他所指的那个位置低于海平面。 The little mouse is under the table，so it is not easy to find it. 那只小老鼠在桌子底下，因此找到它很不容易。 7.beyond，within的用法

　　(1)beyond(表示位置)在……的那边；(表示范围、限度)超出，非……所及。

　　(2)within在……范围以内，不超过。

　　Science is developing so fast that it is beyond our imagination. 科学发展速度之快超出了我们的想象。 It saves time in the kitchen to have things you use a lot within easy reach. 在厨房里把你常用的东西放在容易够着的地方会节省时间。【图解方位介词】如果指三个及三个以上的人或物中的每两个之间，仍然要用between。如： Switzerland lies between France, Italy, Austria and Germany. 瑞士位于法国、意大利、奥地利和德国之间。 6.Young children are often advised not to spoil their appetite by eating sweets________the three meals.