1. high heels adjustable heels

2. ice cream scoop

3. battery slippers

4. Listening (2a: P69) 312

5. Listening (2b: P69) 1. Battery-operated slippers were invented by Julie Thompson. They are used for seeing in the dark. 2. Heated ice cream scoop is invented by Chelsea Lanmon. It is used for scooping really cold ice cream.

6. Listening (2b: P69) 3. Shoes with adjustable heels were invented by Jayce Coziar and Jamie Ellsworth. They are used for changing the style of the shoes.

7. 用 “invented” 或 “used for” 填空. 1. What are electric slippers _______? 2. Who were shoes with adjustable heels ________ by? 3. When was tea ________? 4. What are microwave ovens _______? 5. When were potato chips ________? used for invented used for invented

8. Grammar Focus (P69) The passive voice 被动语态 在被动语态的句子中, 谓语部分的结 构是 be + 过去分词。被动语态的句子 的时态、人称变化反映在 be 动词上。 一般现在时 am / is / are ＋ 过去分词 一般过去时 was / were ＋ 过去分词 含有情态动词的被动语态： 情态动词＋ be ＋过去分词

9. A: Look! This looks so interesting! B: Ah, it’s a great invention of China. A: Really? When ______ it _________? B: I think it ______ _________ in Han Dynasty. ( 汉朝 ) A: What ______ it ______ for? B: Guess! A: ______ it ______ for holding water? B: No. It _____ ______ for testing earthquakes. A: Wow, it’s really amazing! wasinvented wasinvented isused Isused isused

10. abacus in the six century Chinese calculating What telescope When 1609 Who Galileo Use watching stars

11. HOMEWORK