2023年人教版高中英语必修5全册教案.pdf
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1、U n i 11 Grea t s c i entis t sTeaching a ims1.T o h e Ip s tu d ents lear n t o des c ribe p e op 1 e2.To he 1 p s t u d e nts 1 earn to re a d a narra t ion a bout Jo h n Snow3.To hel p s t ud e nt s b ette r unde r s t and“G r e a t s cient i s t s”4.T o h elp students le a rn to us e some imp o
2、rtant w ords and e x pressions5.To h e l p students identi f y ex a m p le s of The Past Pa r ticiple(1)a sthe Predi c ative&t h e a tt r i b u t e”Period 1 Wa r mi n g u p an d read ingTeach i ng Proced u re sI.Warm i ng u pS t ep I Lead inTalk about s c ientist.T:H i,morning,clas s.Nice to see you
3、 on t h i s s pec i a 1 da y,the d aywh e n y ou become a sen i or two g r a d er.I am happy t o be w i th you h e 1 p ing you with yo u r En g 1 is h.To d ay we are to re a d a b o u t a certa i n scienti s t.B u t firs t 1 e ts defin e the word“sci e n t isf What i s a scien t i s t?A scientist i
4、s a pers o n who wo r k s in sc i e n c e,tr y in g to u n d e r stan dhow t h e u n iv e r se or ot h er things work.Scie n t i s t s c an w o rk in dif f e r e n t a r eas o f scien c e.H e re a re so me e x ampl e s:Th o se that s t u dy p hysic s a r e p hys i c is t s.Th o s e th a ts t u dy ch
5、emis t ry ar e c h e mists.Those that study b i o 1 ogy a re biolog i s t s.Step II。Ask the stu d e nts t o t ry th e quiz an d f in d o u t who knows th e mos t.T:There a re s o me gr e at scien t ific achieve m e n ts th a t h a ve c h a n gedthe wo r Id.Can you name s o me o f th e m?Wha t kin d
6、o f role d o they pl a y inthe field o f science?Do the s e achieveme n ts h a v e any t h i n g i n com mon?Ma t ch the i n ventions with t heir inve n tor s below before you answer a 1 1 t heseques t ions.1.A r chim e des,Anci e nt G r eek(2 8 7-21 2 BC),a ma t h emati c ian.2.Charl e s Darwin,Br
7、i t a i n(1 8 0 8-1 8 82).The name of t h e b ook is Origi n o f Sp e cie s.3.T h omas Newcomen,Bri t ish(16 6 3-172 9),a n inve n t o r of st e am engin e.4.Greg o r Me n del,Czec h,a b o tan i st a nd g e net i c is t.5.Marie C u r ie,Polis h and Fr e nc h,a c h em i s t a n d physic i st.6.Thom a
8、 s E d i s on,Am e ric a n,an inv e n t o r.7.Leo n a r do d a Vin c i,It a lian,an a r t ist.8.Sir Hum p hry Davy,B r i tis h,an inventor and ch e mi s t.9.Z h ang Heng,a ncient China,an i n v e ntor.1 0.S tepp e r H a wking,B r itis h,a p h y s i c i st.II.Pr e-readi n gS t ep IG et th e stu d e n
9、 t s to discus s the questi o ns on p a ge 1 wi t h theirpartners.T h en as k the s t uden t s to re p ort their work.Enc o ur a ge the s t u dents to e x press t h e i r di f ferent opi n ions.1.What do you know about i n f e c tious di s e a ses?Inf e c t i o u s d i se a s e s c a n be spr e ad t
10、 o o t he r p eople.T h e y h ave an unknow n c a u se and need public health c a re to solve them.P e o p lemay be e x p o s e d to infectious d i sease,so may an i ma Is,s u c h as bi r d f 1u,AIDS,SAR S a r e i n f e c t i o u s d i s e ases.Inf e c t i o u s d i se a s e s are di ff i c ult t o
11、c u r e.2.W h at do y o u k no w abou t c h o lera?C holera is t h e i 1 Iness ca u sed b y a b a cleri u m c all e d V ibrio cho 1 e r ae.It i nf e ct s p e o pl es in testin e s(肠),c aus i ng diarr h e a and leg c ram p s(抽筋).T h e mo s I common cau s e of ch o le r a is by some。n e e a t i n g fo
12、 o d or d r i nkin g wate r t h at h a s bee n e o mamina t ed(污染)with the b acte r ia.C holera c a n be mild(不严重的)or e ven wi t hout i mmediate sym p toms(症状),but a severe case can lead t o death without im m ed i at e ly treatm ent.3.Do yo u kn o w how to prove a new idea in s c ie n ti f i c r e
13、s e a r c h?Any b ody might c om e ou t wit h a new i d ea.B u t how d o we prove itin scien t ifi c r e sea r c h?Ther e a r e s e v e n st a g es i n exam i n i n g anew ide a in sc i entific r esearc h.A nd th e y ca n b e put in the following ord e r.Wh at o rder wou 1 d you put the se v en i n?
14、Just g ues s.Fin d a p r o blem一 Make up a ques t io n Think of a method Collect r esu 1tsA n alyse the r e s ult s 一 Dr a w a concl u sio n 一 R e pea t i f n e c e s sar yIII.Readin gSt e p I P re-r ead i ng1.Do you know J o h n Sn o w?Jo h n S n o w is a well-kn ow n d o cto r in th e 19th cen t u
15、 r y in L o n d o na nd he d e f e a te d K i ng Choi e ra,5.2.Do y o u know what ki n d of dise a se is ch o ler a?It is a kin d of ter r ib 1 e dis e ase c a u s ed by drin k i ng dirty water and it c a us ed a lot of dea t hs i n t h e old times and i t was v er y d ifficul t to de feat.L ets g e
16、t to kn o w h ow D r.John Snow defeate d Kin g Ch o 1 era”in 1 8 54in Lond o n i n thi s read i n g p a s sag e:Step I I S kimmingRe a d th e p a ssa g e an d answer t he q u e s t ions.1.Who defeats“K in g Choi e r a44?(John Snow)2.Wh a th a ppe n ed i n 1 8 5 4?C h olera o ut b r e ak h it London.
17、)3.How man y p eopl e di e d i n 10 d a ys?500(。)4.Why i s there no deat h a t No.20 an d 21 Br o ad S tr e et a s w e 1 1as a t No.8 and 9 Cambridg e S t r eet?(T h ese famil i e s h ad not drunk t h e w a te r f rom th e B r o a d Streetpum p.)(O p ti o na 1 )S kim th e pa s sag e a n d f i nd th
18、e in fo rma t i on t o complet e thefo r m b e low.WhoWhenW hatHowRes u ItJohnSnow1 854he 1 p i n go r din a ry peop 1 eexpos e d to c h ol eraExamining the sourceof al 1 water s u pp 1ies and finding new metho d s o f dealing wi t hp o llu t e d wa s t eruKing CholeradefeatedStep I I I S e a n n in
19、gRead the p assag e and number t hese eve n t s in the or d e r that they h appe n e d.2 Jo h n S n ow began to te s t t wo t h eorie s.1 An outbr e ak o f c hoi e r a h i t London i n 1 8 5 4.4 Jo h n Snow m a r k e d the d e a ths o n a m a p.7 He a n noun c ed t ha t th e wate r car r ie d the d
20、is e ase.3 J o h n S n o w i n v e stigated two street s w h e re the o u t b r eak w a s ve r y sever e.8 K ing Choi e ra was defe a ted.5_ He found th a t most of th e d eaths were near a water p u m p.6 He ha d th e h and 1 e rem o ve d fr o m the w a ter p um p.S te p I V Main i dea a nd c o rre
21、c t st a g eR ead the p assag e and p u t th e co r r e c t stages i nt o the r e ading a b out res e a rch i nto a d is e a se.J o hn Snow De f e ats“Ki n g Choler aP a ragr aphS tagesG e ne r a 1 ide a s1Find a pro b 1 e m:What c ause the c h ol e ra?T he c auses of ch o lera2M a ke up a q uestion
22、:Whi c h i s right?The co r re c t o r possib 1 e t heory3Th i n k of a met h o d:Test tw o the o r yC o 1 le c t dat a on w h e re people were ill and died an d wher e th e y g o tth e ir water4Collect resu 1 ts:M a rk t he d e athPio t i n forma t ion on a map t o fin dout where p eople d i e d or
23、 d id n o t die5Ana 1 yze th e r esu 1 ts:F ind th e r e s ource of th e w aterLook into t he w a t e r to se e i f t hatis the cause o f the i 1 Ine s s6Fi n d su p porting e viden ceFind other evidence s t o c onfi r m hiscon c lusi o n7D r a w a c o n clu s i o nT h e pol 1 uted d i rty s o u r c
24、 e of dr ink i n g water w as to b lame for thec a u s e o f t he Lo n d on cho l e r aStep V G r o up discussionA nswe r th e que s t ions(F inish exe r c i s e 2 on Pa g e 3)1.J o h n Snow b e 1 i ev e d I dea 2 w a s right.How di d h e fi n ally p r o veit?(John Sno w f ina 1 ly p r o v e d his i
25、 d e a because he found an out br e a k that w as c I e arly r elated to chol e r a,c o ll e c t ed i nfb r mati o n and was a bl e to tie case s o u ts i d e th e area to t h e p o lluted w ater.)2.D o you t h in k John S no w wo u Id ha v e solv e d this p r o blem wit h out th emap?(No.The map he
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