Unit 9 When was it invented? 導學案
8. edison i many useful i in his life. the light (invent)by him.
9. the telephone (invent) in 1876. i think ( 最有用的發明) is the light bulb.
10. the battery-operated slippers (被用來) (see) in the dark.
11. these books are used only teachers.請選擇(for/as/by/to)
12. the shoes with adjustable heels (被用來) （change）the style of the shoes.
【合作探究】
二、 落實預習
各小組長檢查本組助學和課本上完成情況，找出本組多數學生不理解的知識。
三、 小組探究
a) action 1: get the students to make their own sentences with the words of action 1 .（10mins）
ask some groups to give the others their sentences ，and check them
b) 拓展：描述你曾吃過的食品
酸的 甜的 咸的 脆的 辣的 苦味的 bitter
potato chips 2. lemon 3. ice cream 4. tea
c） action 2 : find out when these things were invented and then write about them .
三 達標檢測：
1. 薯條是無意中被發明的。
potato chips were __________ _______ __________.
2. 顧客認為土豆不夠薄。
the __________ thought the potatoes weren’t ________ ________.
3. 薯條是一個名叫喬治克拉姆的大廚發明的。
potato chips ______ _________by a chef ______ george crum.
4. 他把它們炸了很久直到酥脆。并且撒了很多鹽因此它們很咸。
he cooked them _____ a long time_______they were _________.
5. 誰發明了茶？（茶是誰發明的？）
who ________ tea?
=who was tea _______ _______?
6. 你知道茶這種在世界上最受歡迎的飲料〔在水之后〕是意外被發現的嗎？
did you know that tea,the most ______ ________in the world(_______ ________) was invented _______ ________.
7. 盡管茶直到16XX年才被帶到西方國家，但是這種飲料在那之前3000多年前就已被發現了。
__________ tea wasn’t __________ to the western world ________ 1610 ,the ________ was _________ _________ three thousand years ___________ that.