将下列句子变成被动语态 1.School allows students to choose their own clothes. 2.We use knives to cut. 3.We speak Chinese. 4.School doesn’t allow students to smoke. Students are allowed to choose their own clothes. Knives are used to cut. Chinese are spoken by us. Students aren’t allowed to smoke.

Section A (1a-2d)

We are lucky. We live in the modern world. We can enjoy our lives. If we feel bored. We can watch TV for having fun. If we want to America. We can go there by plane. If we don’t want to wash our clothes by hands. We can use washing machines. Do you know what four great inventions in ancient China are?

Four great inventions in ancient China: Paper-making( 造纸术） Compass （指南针） Printing （印刷术） Gunpowder （火药）

试一试 :Translate 翻译以下年份 nineteen seventy- one_________ eighteen eighty-five_________ two thousand and fourteen _________ 2008_________________ 1927_________________ two thousand and eight nineteen twenty- seven

Explanation 年份的读法：两位在一起读。 E g Read the following years nineteen seventy-six nineteen hundred two thousand seventeen forty-five thirteen and five two hundred and forty-six

连一连 the paper making Wright Brothers 1879 ( 造纸术 ) （莱特兄弟） plane Steve Jobs A.D.105 （斯蒂夫. 乔布斯） iPad Cai Lun 1903 light bulb Thomas Edison 2010 （电灯） ( 托马斯. 爱迪生 ) inventions inventors time

plane Wright Brothers 1903 A. Wright Brothers _________________ Sentences: invented the plane in B. The plane _________________ was invented by Wright Brothers in 1903.

iPad Steve Jobs 2010 A. Steve Jobs Sentences: invented the iPad in B. The iPad was invented by Steve Jobs in 2010.

light bulb Edison 1879 A. Edison Sentences: invented the light bulb in B. The light bulb was invented by Edison in 1879.

Listen to some pieces of voice and read the short passages, guess what they are. 通过听声音或文字描述猜一 猜 “ 它是什么 ”.

Listen and guess

Here is a box with a beautiful glass face. You can see different people in different countries in it. You can watch cartoons and soap operas.

Here is aslo a box with beautiful glass face. It looks like a TV, but it isn’t. It can help work and study. It is also used for playing games.

1a. Groupwork Look at the things below. In what orders do you think they were invented? Number them [1-4]

1b. Listen and match the inventions with the years. ______ 1876 ______ 1885 ______ 1927 ______ 1971 d a c b

According to what you have listened, answer the questions below. 1. What did the grandma have when she was young? 2. Why didn’t they have a television at that time? 3. Does grandma have personal computer now? Telephone and car. Because it was expensive. Yes, she does.

A: When was the telephone invented? B: It was invented in

Inventions are great, but inventors are much greater.

What are they? shoes with special heels 有特殊鞋跟的鞋子 hot ice cream scoop 热的冰淇淋勺 shoes with lights 有灯的鞋子 3 new inventions names

shoes with special heels hot ice cream scoop scooping really cold ice cream shoes with lights seeing in the dark changing the style of the shoes What are they used for?

______ Shoes with special heels _______ shoes with lights _______ ice cream scoop runs on electricity 2a.Listen and number the inventions in the order

2b. Listen again and complete the chart below. Invention What is it/are they used for? shoes with special heels _____ the style of the shoes shoes with lights seeing ___________ hot ice cream scoop ______ really cold ice cream changing in the dark serving

InventionInventorTimeUsage ( 用途 ) telephoneBell1876making phone calls computeran American1976getting information light bulbEdison1830giving light cameraa Frenchman1837taking pictures bikean Englishman1839riding basketball James 1861playing Make conversations according to the table.

Practice: --What’s it used for? --It’s used for… --What is this in English? --It’s a…

2d. Role-play the conversation

Read the passage quickly and answer the questions. 1.What is the subject for their school project? 2. What kind of invention does Roy think of? 3. Why does Roy think it is a great invention? 4. Who and when was the zipper invented? 5. When did the zipper become popular? Small inventions that changed the world. The zipper. Because it is often used in our daily lives. Whitcomb Judson in Around 1917.

记忆力大比拼 完成下列短语： 1. 带特殊后跟的鞋子 _________________ 2. 被用作 _____________ 3. 学校的课题题目 __________________ 4. 在我们的日常生活中 ______________ 5. 似乎有点道理 ____________________ 6. 当然 _________________________ shose with special heels be used for the subject for school project in our daily lives seem to have a point of course

heel, electricity, style, scoop. Structure: Passive voice of the past tense 1. A: When was the car invented? B: It was invented in A: What are they used for? B: They’re used for seeing in the dark. Key words: Key sentences:

Passive voice of the past tense 一般过去时的被动语态 肯定形式：主语 + + 其他 否定形式：主语 + + 其他. 一般疑问形式： + 主语 + + 其他 ? 特殊疑问形式： 特殊疑问词 + + 主语 + + 其他 ? was/were done was/were not done Was/weredone was/weredone

1.Talk an invention you like with your partner. 2.Do exercises in your workbooks.