Unit 3 School Life Lesson 17 School Science Fair--短語與介詞for.ppt

1、Unit 3 School Life Lesson 17 School Science Fair 詞組與介詞for,prize,. 短語連線 1. 科技展覽會A. different kinds of 2. 不同種類的B. science fair 3. 對感興趣C. be interested in 4. 一片/張D. do a great job 5. 做得很好E. a piece of,. 句型展示 1. 你準備好下周的大型科技展覽會了嗎？ _ you _ _ the big science fair next week? 2. 我希望贏一等獎。 I hope to _ _ _. 答案：

2、1. Are; ready for 2. win first prize,3. 我對這個話題感興趣。 I _ _ _ this project. 4. 我有一小塊舊的絲綢。 I have _ _ _ _ old silk. 答案：3. am interested in 4. a small piece of,1. piece n. 張；片 I need a piece of paper. 我需要一張紙。 He ate two pieces of bread. 他吃了兩片面包。,【探究總結(jié)】piece的用法 (1)piece 有“片；張；塊；條” 等意思，常用于修飾不可數(shù)名詞。例如：a piec

3、e of wood（一塊木頭）, a piece of news（一條消息）。 (2)表達兩（張、塊、片、條等）或兩（張、塊、片、條等）以上時，應在piece后面加“-s”。,【學以致用】 報紙上有兩條消息。 There are _ _ _ _ in the newspaper. 答案：two pieces of news,2. be interested in對感興趣 The boy is interested in the cartoon. 那個男孩對這部卡通片感興趣。 The book is very interesting. 這本書很有趣。,【探究總結(jié)】interested的用法 (1

4、)be interested in意為“對感興趣”，后跟名詞、代詞或動詞-ing形式。 (2)interested作形容詞，常用于修飾人；interesting作形容詞，常用于修飾物。,【學以致用】 Im _ in the _ movie. A. interested; interested B. interesting; interesting C. interesting; interested D. interested; interesting He is interested in _ (make) things. 答案：making,. 用所給詞的適當形式填空 1. There a

5、re different _ (kind) of fish in the river. 2. Look! They _ (talk) about the science fair. 3. I hope to win _ (one) prize in the science fair. 4. I saw two _ (video) this afternoon. 5. The _ (visit) are amazed at the silk worms. 答案：1. kinds 2. are talking 3. first 4. videos 5. visitors,. 用適當?shù)慕樵~填空 1.

6、 There are different kinds _ mooncakes(月餅) in the shop. 2. The boy is interested _ the toy bear. 3. We are busy. We are ready _ the exams. 4. My project is _ the history of Beijing Opera. 5. I ate a piece _ cake but Im not full. 答案：1. of 2. in 3. for 4. about 5. of,for,一、prep. 介詞 1. （表示目的、用途）為了；供。例如

7、： He went out for a walk. 他出去散步了 2. (表示對象) 為，給；對于；關于;至于,對而言。例如： What did you get for your birthday? 你收到了什么生日禮物？,3. （表示目標、去向）往；到。例如： Is this train for Shanghai? 這是開往上海的火車嗎？ 4. （表示時間、距離、數(shù)量等）達；記。例如： We have stayed here for two months. 我們已在這兒呆兩個月了。 5. (表示約定的時間) 在（時間）。例如： Ive invited them for 9 oclock. 我已經(jīng)邀請他們9點來,6. (=in favor of)贊成；支持；同意。例如： How many people voted for the proposal? 多數(shù)人投票贊成這項提議？ 7. (=instead of)代替；代表。例如： I looked after the kids for