33.2.1相似三角形的判定(精品).ppt

《33.2.1相似三角形的判定(精品).ppt》由会员分享，可在线阅读，更多相关《33.2.1相似三角形的判定(精品).ppt（35页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、RJ七(下)教学课件Section A (1a-2d)学练优九年级英语（学练优九年级英语（RJRJ）教学课件教学课件Unit 8 Is there a post office near here?七年级英语（七年级英语（RJRJ下下）教学课件教学课件New words post office police station hotel restautrantNew wordsbank hospitalstreet park1.post office _2.police station _3.hotel _4.restaurant _5.bank _6.hospital _7.street _8.

2、pay phone _9.park _Match the words with the places in the picture.1aagdihecbfListen and circle the places you hear in 1a.1b1.post office _2.police station _3.hotel _4.restaurant _5.bank _6.hospital _7.street _8.pay phone _9.park _Prepositions next to 旁边 in front of 前面between 在.之间 behind 后面across fro

3、m 在.对面 on 上面1.The pay phone is across from the library.2.The pay phone is next to the library.3.The pay phone is between the post office and the library.4.The pay phone is on Green Street.5.The pay phone is in front of the library.6.The pay phone is behind the library.Match the sentences with the pi

4、ctures.Write each number in the box.2a4263511.The police station is between the restaurant and the hospital.2.The park is _ the bank.3.The hospital is _ Bridge Street.4.The pay phone is _ the post office.5.The restaurant is _ the post office.1.6.The hotel is _ the police station.across fromonnext to

5、Listen and fill in the blanks with the words in the box.in front ofbehindnext to,in front of,between,behind,across from,on2bHomework n nLearn how to speak new wordsn nFour students as a group and two students speak prepositions and two students do the actions.For example:one student say in front of

6、and the other student stand in front of one student.Ask and answer questions about the places in 1a on Page 43.A:Wheres the hospital?B:Its next to the police station.A:Wheres the restaurant?B:Its next to the police station.2cA:Wheres the bank?B:Its on Long Street.A:Wheres the hotel?B:Its across from

7、 the post office.A:Wheres the pay phone?B:Its next to the post office.A:Wheres the park?B:Its behind the hotel.A:Wheres the post office?B:Its across from the hotel.Tony:Hi,excuse me.Linda:Yes.How can I help you?Tony:Well,Im new in town.Is there a bank around here?Linda:Yes,there is.Its on Center Str

8、eet.Its across from the park.Tony:Oh wheres Center Street?Role-play the conversation.2dLinda:Its not far from here.I can walk with you.Tony:Oh,thats great!Thanks so much.Linda:No problem.1.Is there a hospital near here？（1）此句是此句是there be句型的一般疑问句形式。句型的一般疑问句形式。there be 句型的肯定句变为一般疑问句时要将句型的肯定句变为一般疑问句时要将b

9、e动词提到动词提到there之前。之前。其肯定回答为：其肯定回答为：Yes，there is/are；否定回答为：否定回答为：No，there isnt/arent。例：例：Is there a nice hotel near the market？市场附近有好的酒店吗？市场附近有好的酒店吗？Yes，there is.是的，有。是的，有。(2)near 作介词，意为作介词，意为“在在附近附近”。例：例：Do you live near here？你住在这附近吗？你住在这附近吗？【拓展】【拓展】near adj.近的近的;亲密的亲密的例：例：His house is very near.他的他的

10、家很家很近。近。2.Its on Bridge Street.on Bridge Street 意为意为“在布里奇大街上在布里奇大街上”，Bridge Street为专有名词，首字母需大写。类似的还有：为专有名词，首字母需大写。类似的还有：Long Street 长街，长街，Center Street 中中央央大街大街等。等。3.The pay phone is across from the library.(1)本句本句是是“主语主语be动词介词短语动词介词短语”的主系表结构，的主系表结构，用来说明某地用来说明某地、某物某物或或某人的位置。它可以和某人的位置。它可以和there be 句型

11、进行转换，说明位置关系。句型进行转换，说明位置关系。例：例：A bookshop is on Zhongshan Road.There is a bookshop on Zhongshan Road.中山路上有一家书店。中山路上有一家书店。(2)pay phone 是固定词组，意为是固定词组，意为“付费电话付费电话”。例：例：There is a pay phone in our school.我们学校有一个付费电话。我们学校有一个付费电话。(3)across from 意为意为“在在对面对面”，相当于，相当于opposite。例：例：The house is across from the

12、park.The house is opposite the park.房子在公园对面。房子在公园对面。【拓展】【拓展】across prep.穿过穿过;横穿，横过横穿，横过 例：例：Theres a school just across from our house.有一所学校就在我们家对面。有一所学校就在我们家对面。【辨析】【辨析】across 与与 crossacross是介词，强调从一定范围的一边到另一边，是介词，强调从一定范围的一边到另一边，且在物体表面上或沿着个方向而进行的动作。且在物体表面上或沿着个方向而进行的动作。across 常和表示常和表示“走走”一类的动词连用，如：一类的

13、动词连用，如：walk，run，fly，jump。例：例：Go across the bridge，and youll find the park.越过这座桥，你就会找到公园。越过这座桥，你就会找到公园。cross 是动词，表示是动词，表示“穿过穿过，越过越过，渡过渡过”。例：例：The old man is crossing the road.这位老人正在穿过马路。这位老人正在穿过马路。Be careful when you cross the street.过街时你要小心。过街时你要小心。4.The pay phone is next to the library.【辨析】【辨析】next

14、 to、near与与beside三者都指三者都指“在在旁边，附近旁边，附近”，但，但具体用法具体用法有区别。有区别。next to 紧靠紧靠；在在的旁边。的旁边。例：例：We sat next to each other.我们挨着坐在一起。我们挨着坐在一起。near 在在附近；靠近。它指空间或时间上接近。附近；靠近。它指空间或时间上接近。例：例：His house is near my school.他的房子就在我的学校附近。他的房子就在我的学校附近。beside在在旁边。旁边。例：例：He sat beside her all night.他整晚都坐在她身边。他整晚都坐在她身边。5.The

15、pay phone is in front of the library.in front of 意为意为“在在的前面的前面”，其反义词为，其反义词为 behind（在在的后面的后面）例：例：Jim is standing in front of me，so I cant see the blackboard clearly.吉姆吉姆正站正站在我的前面在我的前面,因此我看因此我看不清黑板不清黑板。【拓展】【拓展】front n.前面前面;正面；身体前部正面；身体前部 adj.前面的前面的;正面的正面的例：例：The book has a picture of Rome on the front

16、.书的封面有一张罗马的照片。书的封面有一张罗马的照片。【辨析】【辨析】in front of 与与 in the front of in front of 强调一个强调一个人或物人或物在另一个在另一个人或物人或物的的 外部的前面。外部的前面。例：例：Jim sits in front of her.吉姆吉姆坐坐在在她她的前面。的前面。I stood in front of the window and watched the view outside.昨天我站在窗前看外面的风景。昨天我站在窗前看外面的风景。in the front of 强调一个强调一个人人或或物物在另一个人在另一个人或物或物

17、的的内部的前面。内部的前面。例：例：Lucy is sitting in the front of the car.露西正坐在小汽车的露西正坐在小汽车的前部。前部。6.How can I help you？此句常用于饭店、旅店、邮局、办事处、商店等场此句常用于饭店、旅店、邮局、办事处、商店等场所，作为对顾客的招呼语，相当于所，作为对顾客的招呼语，相当于“Can I help you？/May I help you？/What can I do for you？”它的具体含义要视场合而定。它的具体含义要视场合而定。例：例：Can I help you，Sir？先生，需要我帮忙吗先生，需要我帮忙吗

18、？Yes.I need a pair of gloves.是的，我想买一是的，我想买一 副手套。副手套。OK.What color do you want?好的。您想要好的。您想要 什么颜色的呢？什么颜色的呢？7.Its not too far from here.far from 意为意为“离离远远”，相当于，相当于far away from，通常不与具体数字连用。若出现具体的数字，常用通常不与具体数字连用。若出现具体的数字，常用away from。其反义词组为。其反义词组为 close to，意为，意为“离离很近很近”。例：例：My home is not far from the sup

19、ermarket.我家离我家离这家超市这家超市不远。不远。My home is close to our school.我家离我们的学校很近。我家离我们的学校很近。1.图书馆在邮局的对面。图书馆在邮局的对面。The library is _ _ the _ _.2.在公园附近有餐馆吗？在公园附近有餐馆吗？Is _ a restaurant _ the _?3.紧挨着银行有一家旅馆。紧挨着银行有一家旅馆。There _ a hotel _ _ the bank.there near parkis next to across frompost office一、根据汉语意思完成句子。一、根据汉语意

20、思完成句子。4.投币电话在医院后面。投币电话在医院后面。The _ phone is _ the _.5.在警察局前面有很多树。在警察局前面有很多树。There are many trees _ _ _ the police station.6.来坐我们旁边吧。这儿有你的座位。来坐我们旁边吧。这儿有你的座位。Come and sit _ us._ is a seat for you.in front of pay behind hospitalbeside There1.Is your school far _ your home?Aaway Boff Cfrom Dwith2.Why are

21、 you standing，Alice?I cant see the screen.Two tall boys are sitting _ me.Abehind Bnext to Cbetween Din front of二、单项选择。二、单项选择。3._ I want to buy a blouse for my sister.AWhat do you like?BWhere are you?CHows it going?DWhat can I do for you?4._ there any living things on other planets?I have no idea.May

22、be we can know more about that in the future.AIs BAre CHas DHave5.There _ some milk,some eggs and a few apples on the table.A.is B.are C.has D.have6._ there _ books on the shelf？A.area B.isa C.havesome D.areany1.We learnt some new words and expressions.2.We learnt how to describe positions.书面作业书面作业(Writing work)1.请完成请完成 Unit 8 第一课时对应的练习题。第一课时对应的练习题。2.总结所记忆表示方位的介词，写在书上。总结所记忆表示方位的介词，写在书上。3.用今天所学的介词用今天所学的介词（near,next to,in front of,behind,betweenand）写五个句子，写五个句子，描述一下你生活中某些场所的位置。描述一下你生活中某些场所的位置。