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：___________________________________________
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