人教版（2019）选择性必修二
Unit1SCIENCEANDSCIENTISTS;1.Tofurthergraspthestructuralfeaturesofpredicativeclausesandtheirideographicfunctions.
2.Tostrengthentheabilityofusingpredicativeclausesincontext
3.Topromotetheabilityoftextanalysisandlogicalreasoningcompetence.;1.WhatwasitthatJohnSnowshowedtotheworld?
JohnSnowshowedhowcholeracouldbeovercometotheworld.
CANYOUMAKEUPTHEASKANDANSWERINTOAPREDICATAIVECLAUSE?
;2.WhatwasSnow’sdiscoveryintwoparticularstreetsinLondon?
Thecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.
Predictiveclause:
;3.WhatwasSnowdeterminedtofindoutduringthe1854outbreakofcholerainLondon?
Theoutbreakofcholerahadcausedover500deathswithintendays.
Predictiveclause:
;4.Whatweretheexactplaces(Snowmarkedonthemap?)
Allthosewhodiedhadlived/allthedeadpeoplehadlived.
Predictiveclause:
;5.WhatwasthefindingthatSnowannounced?
Thewaterpumpwastoblameforthespreadofcholera/Thepumpwatercarriedcholeragerms/WaterfromtheBroadStreetpumphadbeeninfectedbywaste.
Predictiveclause:
;;;that在从句中__________成分，that没有实际意义，不可省略；whether意为__________
Exercise
Mybeliefis_______Iwillsucceedbyworkinghard.我的信念是通过努力我会成功。
Themostpleasantthingoftherainyseasonis________onecanbeentirelyfreefromdust.雨季最令人愉快的事情是完全没有灰尘。
Theproblemis__________wecanfindthemthere.问题是我们能否在那里找到他们。;because：说明主语所表示的事件发生的原因，意为——
Exercise
Hehasheartdisease.Thatis___________hehasbeensmokingtoomuch.他有心脏病。那是因为他抽烟太多。
asif/though：从句表示的情况发生的可能性较小时常用______________
Exercise
Itseemsasifhe__________knowtheanswer.他好像不知道答案。;who(ever)、whom(ever)、whose、what(ever)、which(ever)
在从句中作主语、宾语、表语、定语
Exercise
Youcanbe______________youwanttobe.你可以成为你想做的任何人。
Tomisnolonger_________heusedtobe.汤姆不再是过去的那个他了。;when、where、why、how
在从句中作状语，表示时间、地点、原因、方式等
Exercise
Thisis________Idontagreewithyou.这就是我不同意你的地方。
Thequ