2016届高考英语一轮复习课件：第一部分模块复习方略必修五 Unit14(北师大版)_高考复习指南

2016届高考英语一轮复习课件：第一部分模块复习方略必修五 Unit14(北师大版)

　　毫不犹豫做某事 without hesitation

　　毫不犹豫地 ①I hesitate about taking his side until I know the whole story. 我在知道这事以前犹豫是否支持他。 ②In case you need something，please don’t hesitate to let me know．如果你需要什么东西，请不客气地对我说。 ③We have no hesitation in accepting your most generous offer. 我们十分乐意接受你最慷慨的捐赠。 6．decrease v．& n．减少，降低 [教材原句]　Jobs in farming，coal mining and heavy industry are decreasing rapidly. 农业、煤矿业和重工业的职位迅速减少。 ①There has been a steady decrease in population in this city. 这个城市的人口在持续下降。 (1)decrease to/by... 减少到/减少了…… decrease from...to...

　　从……减少/降低到…… (2)on the decrease

　　正在减少 on the increase

　　正在增加 ②In our school the number of students who are addicted to computer games is on the decrease. 在我们学校迷恋网络的学生数目正在下降。 ③The number of teaching staff members in this school has decreased to 700 persons. 这个学校的教职工人数已减少到700人。【联想归纳】　①decrease to．..表示“降到……”；②decrease by．..表示“降了多大幅度”。有类似用法的动词还有：increase，reduce，decline，drop等。 7．operate vi.运转；运作；做手术，起作用 vt.操作；经营 [教材原句]　Similarly，companies will operate in different ways. 类似地，公司也会以多种形式运营。 ①It’s too difficult for him to operate this new sophisticated machine. 对他来说，操作这台复杂的机器太难了。 [一词多义]　写出下列句中operate的含义 ②The doctor decided to operate at once.动手术 ③The medicine will operate in ten minutes.起作用 ④You operate the mechanism by winding this handle.操作 ⑤They operate three factories and a huge warehouse.经营 (1)operate on sb./sth.