教案 increasing fertility.doc

INCREASINGFERTILITY(135)
Teachinggoals:
Tograspthefunctionofhormone.
Toknowthemethodofincreasingfertility.
Toknowtheprocessofinvitrofertilisation.
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
oestrogen['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:nt]被移植植入物
Warmingup:
(1)Whatishormone?
(2)Whatisthefunctionofhormone?
(3)Doyouknowthecauseofinfertility?
(4)Whatshouldpeopledoiftheyarenotabletohaveababy?
Listening:
Helpcanbegiventopeoplewhowanttohavechildrenbutarenotabletodosoeasily.Farmersmayalsowishtoincreasethefertilityoftheiranimals.
Ifawomanisnotproducingeggs,thenacourseofhormonetreatmentmayhelpher.Thehormonesstimulatethewoman’sovariestoproduceoestrogen,whichcauseseggstoripenandbereleased.
AnothercauseofinfertilityisablockageintheFallopiantubes.Althougheggsarebeingreleased,spermscannotreachthem.Sometimes,theblockagecanbeclearedbysurgery.Thewomancanthenbecomepregnantinthenormalway.
Yesorno:
Thehormonetreatmentcanhelpwomentoproduceeggs.
Oestrogencancauseeggstoripenandbereleased.
Theblockagecanbeclearedbysurgeryallthetimes.
Pre-reading:
Howdoesincreasetheeggproduction?
Ifthetubecannotbesuccessfullyunblocked,whatshouldthedoctordo?
Reading:
Askstudentstoreadthepassageandanswerthequestion.
Grammarandexpressions:
Thehormonesstimulatethewoman’sovariestoproduceoestrogen,whichcauseseggstoripenandbereleased.
Vitroinvitrofertilisation
Testtubebaby
Beaddedto
Implantinto
Post-reading:
Knowtheotherfunctionsofhormone.
Integratingskills:
Thehormonesstimulatethewoman’sovariestoproduce_____,whichcauseseggstoripenandbereleased.
Anothercauseofinfertilityisablockageinthe________.
Ifthetubecannotbesuccessfullyunblocked,then_____canbetried.Ababybeguninthiswayisoftencalleda____________.