最新初中英语试讲课件教学讲义PPT课件.ppt

《最新初中英语试讲课件教学讲义PPT课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、初中英语试讲课件Firstofall,letusreviewsomethingaboutUnit6一般疑问句（generalquestion)Howtousethegeneralquestionleadedbydoordoesandgivethecorrectanswer?Doyoulikeoranges?Yes,Ido./No,Idon’tDoesshelikeoranges？Yes,shedoes./No,shedoesn’t.Doyoulikegoingshopping?Howmuchisthis/that

2、+cn单？It’s….2.Howmucharethese/those+cn复?They’re….Howmuchisthis…?$15$18$7$30It’s…dollars.abluecapablackT-shirtanorangehatablackandwhitesweatergreyshortsblackshoes￥100$12￥5￥25￥78$88Howmuchis…?It’s…dollars.$12$29$23$35Howmucharethese…..?They’re…….dollars.baghatT-

3、shirtpantsshoesshortssweatersocks-Howmuchis/arethis/that/these/those…?-It’s/They’re$...$8$3$5$8$9$6$7$2PairworkColorsgreenbluebrownblackorangeredwhitepurpleyellowAredsweaterYellowshortsAblackhatAgreenT-shirtApinkbagRedsocksAbluehatWhatcoloristheshirt?It’sred.

4、It’salongredshirt.Howmuchisit?It’s25yuan.What'sthis?It'sashirt.Howmuchisthewhitebag?It’sseventeendollars.Askandanswerquestionsaboutthethingsinthepictureabove.bluesocksblacktrousersagreenshirtablueskirtayellowsweaterredshorts￥6￥67$20￥55￥88￥45Howmuchare…?They’r

5、e…dollars1.Howmuch________theseblacksocks?A.isB.areC.beD.has2.—________isyourjacket？—It’sred.A.WhatsizeB.WhatC.HowmuchD.Whatcolor3.—Howmuch________thissweater?—________eightydollars.A.are;TheyareB.are;It’sC.is;It’sD.is;TheyareⅠ.Completethesentenceaccordingtor

6、equire.1.Thisbagisthreedollars.(就划线部分提问)____________isthisbag?2.Howmucharetheseblackshoes?(回答)_________fourdollars.3.Iwantgreen.(就划线部分提问)____________doyouwant?HowmuchThey’reWhatcolorPractice4.Ilikeoranges.(变成一般疑问句)_________likeoranges?5.Shelikesthegreensweate

7、r.(变成否定句)She______________thegreensweater.Doyoudoesn’tlikeBye-byeThankyou!2.1微生物的营养物质NutrientsofMicroorganisms营养物质的确定，主要依据组成细胞的化学成分以及我们所需要的代谢产物的化学组成。分析微生物细胞的化学组成，是了解微生物营养的基础。202.1.1微生物细胞的元素组成ElementComposingofMicroorganisms----微生物细胞的化学元素组成与高等生物相同，包括碳、氢、

8、氧、氮和各种矿质元素。21（1）  水分水是微生物及一切生物细胞中含量最多的成分。微生物细胞的含水量随种类和生长期而异。通常情况下细菌含水量为细胞鲜重的75%～85%;酵母菌为70%～85%;丝状真菌为85%～90%;细菌芽孢和霉菌孢子的含水量约为40%。22（2）干物质的元素组成---主要组成元素为碳、氢、氧、氮，约占细胞干重的90%～97%，其余3%～10