教案 increasing fertility

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1、INCREASINGFERTILITY(135)1.Teachinggoals:(1)Tograspthefunctionofhormone.(2)Toknowthemethodofincreasingfertility.(3)Toknowtheprocessofinvitrofertilisation.2.Newwordsandexpressions:fertility[fə:'tiliti]生育力生产力blockage['blɔkidʒ]堵塞封锁fallopian[fə'ləʊpiən]  输卵管ovary['əuvəri]卵巢子房oest

2、rogen['estrədʒən]雌激素ripen['raipən]使成熟dose[dəus]剂量quad[kwɔd]四胞胎monitor['mɔnitə]监视器班长slide[slaid]幻灯片滑动vitro['vi:trəu]在试管内microscopestage显微镜载物台Petridish培养皿cabinet['kæbinit]储藏柜内阁fertilise['fə:tilaiz]使受精施肥于zygote['zaigəut]受精卵合子embryo['embriəu]胚胎uterus['ju:tərəs]子宫implant[im'plɑ:n

3、t]被移植植入物1.Warmingup:(1)Whatishormone?(2)Whatisthefunctionofhormone?(3)Doyouknowthecauseofinfertility?(4)Whatshouldpeopledoiftheyarenotabletohaveababy?2.Listening:Helpcanbegiventopeoplewhowanttohavechildrenbutarenotabletodosoeasily.Farmersmayalsowishtoincreasethefertilityofth

4、eiranimals.Ifawomanisnotproducingeggs,thenacourseofhormonetreatmentmayhelpher.Thehormonesstimulatethewoman’sovariestoproduceoestrogen,whichcauseseggstoripenandbereleased.AnothercauseofinfertilityisablockageintheFallopiantubes.Althougheggsarebeingreleased,spermscannotreachthe

5、m.Sometimes,theblockagecanbeclearedbysurgery.Thewomancanthenbecomepregnantinthenormalway.Yesorno:(1)Thehormonetreatmentcanhelpwomentoproduceeggs.(2)Oestrogencancauseeggstoripenandbereleased.(3)Theblockagecanbeclearedbysurgeryallthetimes.1.Pre-reading:(1)Howdoesincreasetheegg

6、production?(2)Ifthetubecannotbesuccessfullyunblocked,whatshouldthedoctordo?2.Reading:Askstudentstoreadthepassageandanswerthequestion.3.Grammarandexpressions:Thehormonesstimulatethewoman’sovariestoproduceoestrogen,whichcauseseggstoripenandbereleased.VitroinvitrofertilisationT

7、esttubebabyBeaddedtoImplantinto1.Post-reading:Knowtheotherfunctionsofhormone.2.Integratingskills:(1)Thehormonesstimulatethewoman’sovariestoproduce_____,whichcauseseggstoripenandbereleased.(2)Anothercauseofinfertilityisablockageinthe________.(3)Ifthetubecannotbesuccessfullyun

8、blocked,then_____canbetried.Ababybeguninthiswayisoftencalleda____________.(