Whenwasitinvented教案

　　Unit 4 When was it invented? Sectin B

　　知识目标： After learning the text, require the students t aster the phrases belw

　　(通过学习，掌握下列词语)

　　invent, ppular drin, b accident, nt…until, discver, accrding t, Chinese legend, bil, an pen fire, fall(fell) int, reain(ed), ntice(d), prduce(d), in this wa

　　能力目标：1.Practice the students’ listening abilit. (听力训练)

　　2. As the students t understand the passage ver well and answer se

　　questins accrding t the passage.

　　(能够正确理解本文含义，回答相关问题。)

　　3. Useful phrases fr the students t retell the new text.

　　(利用关键词语，能够复述课文大意。)

　　情感态势：Train the students t use their heads and ae se inventins in life.

　　(开动脑筋，培养发明创造能力。)

　　学习策略：1.chips’ histr (a freign inventin) →tea(Chinese inventin)

　　2.wr in grups and slve prbles tgether

　　教学流程：

　　Step 1 Wrds revisin

　　Dictatin:______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

　　Step 2 A listening test

　　The histr f ptat chips

　　① _____________________that ptat chips were invented b istae?

　　Ptat chips ②_______________b a chef called Gerge Cru. The were invented in

　　③__________ .Gerge Cru ced the fr a lng tie until the ④__________.And he sprinledlts f salt n the s the were ⑤__________.

　　Step 3 Wr in grups,read thrugh the passage,and then answer se questins.

　　Step 4 Find ut the fllwing pints:

　　1.althugh __________________________________________________________________

　　eg.用althugh/thugh 或bu t填空

　　__________ he is ver ld, he still wrs hard. He is ver ld, __________ he still wrs hard.

　　2.ver在本文中的2种解释

　　①________________ 100多年前______________ 同义词_____________

　　②________________ 河上的一座桥________________

　　3….. three thusand ears , thusands f

　　具体使用:________________________________________________

　　拓展：hundred, illin

　　4.被动语态的使用（找出本文含有被动语态的句子，4个）

　　①___________________________________________________

　　②____________________________________________________

　　③____________________________________________________

　　④____________________________________________________

　　5.回顾：主动语态变被动语规则一二三。

　　Step 5 Retell the passage b using the e phrases.

　　Step 6 Exercises fr training.

　　A.翻译下列词组：

　　1.被…发现 ______________________ 2.根据______________

　　3.在室外火炉上___________________

　　4.fall int___________ 5.prduce a pleasant sell________________

　　B.完成以下各题：

　　1.A___________ t weather reprt,we are ging t have a few rain das.

　　2.Alice t A’s bag ___________________.(错误地)

　　3. (09青岛中考)Chen Hui __ cputer gaes, but nw he gives the up and studies hard.

　　A.is used t plaing B.is used t pla C.used t pla D.is used fr plaing

　　4. (09聊城中考)Li Ming will be 12 next nth.A new bie __ fr hi as a present. A.is bught B.was bught C.will be bught D.will bu

　　5.（09成都中考）人们意外发现格林先生对中国传统艺术有着很高的鉴赏能力。

　　Mr Green was fund _____ ________ that he had a gd taste fr Chinese traditinal art.

　　6.Edisn invented light bulbs.(变为被动句) _____________________________

　　Step 7 Hewr：1. 预习Reading 部分生词和课文。

　　2. 完成学案Sectin B练习。

　　Step 8 课后学与思：___________________________________________