必修二Unit3Computers_Language_points语言点1 - 副本.ppt

goal (n) [c] ①He has achieved his goal. ②That last goal was a beauty. ③That‘s the twentieth goal he’s kicked this season. 目标，目的 进球 （进球）得分 set a goal 设定目标 achieve a goal 实现目标 Provide means supply . Provide sb _________ sth Provide sth _________ sb 1) This hotel provides a shoe-cleaning service ______ guests. 2)A project designed to provide young people ______ work. with for for with provide (vt) 提供 1. I very slowly and it took nearly two hundred years before I was built as an analytical machine. 我发育缓慢，差不多到了两百年之后，我才被制成一台分析机。 句型：It took +时间段+ before +从句 “过了多久… 才…” developed _______________________(七年后才)they finally got married. ______________________(很多天后才) I got used to the new school life. It took seven years before It took a few days before Extension 拓展 It is/ was … before+从句 It is/was not …before +从句 It will be … before+ 从句 It will not be +before+从句 要过/过了多久后才…. 用不了/没过多久就…. 要过多久才…. 过不了多久就…. Before 用法面面观 “… 之后，才…;没来得及；以免；免得；在…之前” We walked a long way before we arrived at the destination(目的地). Before I could say a word, she rushed out of the classroom. Write down what I say in class before you forget it. … 之后，才… 没来得及 以免；免得 (07江西)He was told that it would be at least three months _______ he could recover and return to work. A. When B. before C. since D. that (08北京）I’m sorry you have been waiting so long , but it’ll still be some time ______ Brain gets back. A before B. since C. till D. after It ________ long before we ___ the result of the experiment.（02 上海） A will not be ; will know B is ; will know C will not be ; know D is ; know 强化习题： 1. It was two years ________he realized the truth. 2. It will be two years ________ the economic situation improves. 3. It was two years later ________ he realized the truth. 4. It is /has been two years ________ he lived here. 5. It was midnight ________ he arrived home. 6. It was at midnight ________ he arrived home. 7. It was not until midnight _______ h