译林版高中英语学案选择性必修第二册精品课件 Unit 3 Fit for life Section C Extended reading Other parts (2).ppt

Unit3Fitforlife;1;01;第一步速读课文理清脉络;第二步精读课文领悟细节;3.Whatcanweinferfromthistext?();第三步深读课文融会提能;Overtheyears,notonly5.____acupuncturebeenusedtotreatphysicalandmentalproblems,butithasalsobeenapplied6.___treatpeoplewhoabusealcohol,tobaccoordrugs.Unclear7._________itishowacupunctureactuallyworks,itis8.___factthatacupuncturehasbecomeverypopular.9.____asymboloftraditionalChineseculture,acupuncturetodayhascomeintowidespreadusearoundtheworld.Whiledoubtsaboutitssafetyhave10._________（gradual）disappeared,interestcontinuestogrow.;Ⅳ.Analyzeandtranslatethesentences.;2.Nowadays,thefinesharpneedlesthatmeasureusuallybetween15and75millimetresinlengtharestillused,whilemostoftheothershavebeenreplacedbymorecomplexmedicalinstruments.

［句式分析］本句是______连接的并列句。前一分句中包含了that引导的______从句，修饰先行词________。;3.Forexample,therearedifferenttheoriestryingtoexplainhowiteasespain,butnoagreementhasbeenreached.

［句式分析］本句是but连接的________；前一个分句中动词-ing形式短语tryingtoexplainhowiteasespain作__________，修饰________；howiteasespain是how引导的______从句。;02;重点词汇——讲练互动;【即学即练】单句语法填空/句式升级;2.datebackto追溯到，始于，自……至今

●datebackto=datefrom追溯到，始于

●todate迄今为止；到目前为止

outofdate过时的；过期的

uptodate必威体育精装版的；现代的

set/fixadatefor确定……的日期

haveadatewithsb与某人有个约会

【注意】dateback（to）/datefrom在句中充当谓语时，句子常用一般现在时。该短语一般不能用于进行时，也没有被动形式。常用其v.-ing形式作定语。;①Theexhibitioncontainssomeofhisbestworkstodate.这个展览有他迄今为止一些最好的作品。

②Chinesecharacters,hanzi,datefromancienttimes,withahistoryofatleastthousandsofyears.汉字的历史可以追溯到远古时代，至少有几千年的历史了。

③Wemissedthetrain,becauseweusedanout-of-datetimetable，whichwerealizedafterwards.我们错过了火车，因为我们使用了一个过时的时间表，我们后来才意识到了这一点。;【即学即练】完成句子;3.switchvi.vt.??变；交换；调班n.开关，闸；转变，改变

●switchoff/on关掉/打开

switchfrom...to...从……到……转变

switch...with...与……交换……

●alightswitch灯开关；照明开关

①Inmymind,switchingfromcoaltogasisagooddecision,whichis