高中英语人教版选择性必修一复习课：Unit 5 Working the Land (第二课时：语法复习).pptx

Unit5WorkingtheLand（第二课时：语法复习）

WhatdoesntkillyoumakesyoustrongerStandalittletallerDoesntmeanImlonelywhenImaloneWhatdoesntkillyoumakesyoustronger,strongerJustme,myselfandIWhatdoesntkillyoumakesyoustrongerStandalittletaller能伤害你的事情才能让你更坚强站得更高吧我一个人不代表我孤单能伤害你的事情才能让你更坚强，更坚强只有我跟我自己才做的到能伤害你的事情才能让你更坚强站得更高吧主语主语从句Underlinethesubjectclauses.1Remembering

Brainstormthebasicknowledgeaboutthesubjectclauses.主语从句结构引导词功能和位置语序时态和数引导词+句子thatwhetherwhowhenwherewhatwhichhowwhywh-ever做主语，相当于一个名词放在主句谓语动词前It+谓语+主语从句（It做形式主语）陈述语序结合语境确定时态谓语动词一般用单数

Highlightthesubjectclausesandexplainthesubjectclauseconnectors.Whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.Whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasamatterofgreatdebate.Today,itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains,…WhatimpressedpeoplemostaboutYuanLongpingishisongoingabilitytofulfillhisdreams.Overtime,however,whatsomescientistshavefoundisthattheirlong-termusecansometimesharmboththelandandpeople’shealth.Whydifferentcropsaregrownisbecausetheyputimportantmineralsbackintotheground,makingitreadyforthenextbatchofcrops.Whatkeepsthemfromdoingsoisthefactthatchemicalfarmingservesthehighdemandforfoodaroundtheworld.what在主语从句中做主语whether在主语从句中起引导作用that在主语从句中起引导作用what在主语从句中做主语what在主语从句中做宾语why在主语从句中状语，表原因what在主语从句中做主语2Understanding

ReadthepassagebelowandchooseasuitableclausetodescribeEinstein.Identifythenounclauses.UnderstandingandApplying3BeforeEinstein,_________wasthatlighttravelledthroughspaceinastraightline.Butafteryearsofresearch,Einsteinsuggested_________._________wassonew;itwassaid_________.Thedifficultywas_________.Itdidnot