人教版九年级英语上册 《When was it invented?》PPT课件7

《When was it invented?》PPT课件7

Ⅰ. 单词填写

1. 几乎; 差不多(adv. )__________________

2. 统治者; 支配者(n. )__________________ 

3. 煮沸; 烧开(v. )__________________

4. 保持不变; 剩余(v. )__________________ 

5. 气味(n. ) __________________

答案: 1. nearly　2. ruler　3. boil　4. remain　5. smell

6. 翻译(v. ) _________________ 

7. 锁上; 锁住(v. )_________________

8. 地震(n. ) _________________

9. 突然(的)(adj. )_________________

10. accident(n. )→__________ (adj. )意外的; 偶然的

11. nation(n. )→__________ (adj. )国家的; 民族的

12. music(n. )→__________ (adj. )音乐的; 有音乐天赋的

答案: 6. translate　7. lock　8. earthquake　9. sudden

10. accidental   11. national　12. musical

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句型填词

1. 茶是偶然被发明的。

Tea__________ invented__________ __________ . 

2. 据说一位中国的统治者神农是第一个发现茶可以作为饮料喝的人。

__________ __________ __________ that a Chinese ruler called Shen Nong was the first__________ __________ tea as a drink. 

答案: 1. was; by accident　2. It is said; to discover

3. 人们相信茶在第六和第七世纪被带到了韩国和日本。

__________ __________ __________ that tea__________ __________ to Korea and Japan during the 6th and 7th centuries. 

答案: It is believed; was brought

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【归纳拓展】 It +be +过去分词+that从句

(1)It is believed that. . . 人们认为……

(2)It is supposed that. . . 据猜测……

(3)It is reported that. . . 据报道……

(4)It’s known that. . . 众所周知……

语法聚焦

【观察领悟】观察下列句子, 思考一般过去时的被动语态的用法。

①The computer was invented in 1976. 

②The computer wasn’t invented in 1876. 

③Was the computer invented in 1976? 

④When was the computer invented? 

⑤Who was the computer invented by? 

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一、一般过去时的被动语态

1. 构成: 主语+was/were +及物动词的过去分词。

2. 各种句式: 

①肯定句: 主语+ was/were +及物动词的过去分词+其他。

②否定句: 主语+ was/were + not+及物动词的过去分词+其他。

③一般疑问句: Was/Were +主语+及物动词的过去分词+其他? 

④特殊疑问句: 特殊疑问词+一般疑问句式? 

二、使用被动语态应注意的几个问题

1. 不及物动词无被动语态。

What will happen in 100 years? 100年后将会发生什么事? 

2. 有些动词用主动形式表示被动意义。

①This pen writes well. 这支钢笔好用。

②This new book sells well. 这本新书很畅销。

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