国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 Unit Unit 1 1 When was it invented?When was it invented? Section A 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 The four great inventions of China gunpowder paper-making printing compass 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 paper 105 B.C. printing 1041-1045 It was invented When was invented? 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 compass 11th Century gunpowder 9th Century It was invented When was invented? 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them 【1-4】 (1= first, 4 = last). 1a 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 4 1 2 3 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 1b Listen and match the inventions with the years. _ 1876 _ 1885 _ 1927 _ 1971 d a c b 1c make conversations. A : When was the telephone invented? B : I think it was invented in 1876. 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 Baird 1927 Bell 1876 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 1885Henry Ford 1971 1976 1907Wright Cray Bill Hewlett 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 heel scoop electricity 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 2a Listen and number the inventions 1-3 in the order you hear them. 1 2 3 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 2b Listen again complete the chart below. _ the style of the shoes hot ice-cream scoop seeing _ shoes with lights _ really cold ice- cream shoes with special heels What is it / are they used for? Invention changing in the dark serving 2c Make conversations using the information in 2b. A: What are they used for? B: Theyre used for seeing in the dark. 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 2d listen and answer the questions. 1. What invention are they talking about? 2. Who invented the zipper and when was it invented? 3. When did the zipper become popular? The zipper. It was invented by Whitcomb Judson in 1893. Around 1917. 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 How many kinds of drinks do you know? Can you name some? coke water 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 juice coffee tea 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 the most popular drink in the world (except water) tea 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 green tea How many kinds of tea do you know? 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 black tea white tea 白茶 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 oolong tea 乌龙茶 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 scented tea 花茶 puer tea 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 3a Read the passage quickly and match each paragraph with its main idea. Paragraph 1 Paragraph 2 Paragraph 3 Lu Yu and his book Cha Jing How tea spread to other countries How tea was invented by accident 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 Some questions about tea: 1. Tea was first invented in _. 2. Tea comes from _. 3. Tea trees mostly grow in the _ of China. 4. Tea was brought to the Western world in _ . China tea trees south 1660 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 1. When was tea first drunk? 2. How was tea invented? 3. Who is called “the saint of tea”? It was first drunk about 5,000 years ago. Some leaves from a tea plant fell into the boiling drinking water. It produced a nice smell and tasted delicious. This is how tea was invented. 3b Read the passage again and answer the questions. Lu Yu. 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 4. What is Cha Jing about? 5. When was tea brought to other countries? It describes how tea plants were grown and used to make tea. It was brought to Korea and Japan during the 6th and 7th centuries and to England around 1660. The tea trade from China to Western countries took place in the 19th century. 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 3c Complete the sentences with the correct forms of the verbs in the box. 1.One of the worlds favorite drinks was _by accident. 2. Tea was first _by Shen Nong about 5,000 years ago. 3. A nice smell was _when the tea leaves dropped into the hot water. 4. Tea was _to Korea and Japan during the 6th and 7th centuries. 5. Tea is now _between many different countries. invented drunk produced brought traded 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国际交易是指在本国居民与非居民间的交易。 完成句子 1. 我只是偶然发现发现 那只丢丢失的小猫。 I only found the missing cat _ _ . 2. 根据最近的一项调查项调查 ，每年有上百万的人死于与吸 烟有关的疾病。 _ _ a recent survey, millions of people die from diseases linked to smoking each year. 3. 茶是偶然被发发明的。 Tea was _ _ _. by accident According to Practice invented by accident 国际收支反映的交易是一个经济体对外发生的各项交易，即国际交易。所谓国