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1、Unit 9 When was it invented-Unit 9 When was it invented-Word Click教案 invent 【例句】I think the calculator was invented before the computer.（P68）【点击】invent是及物动词，意为“发明、创造”。例如：Who invented the light bulb?That machine was invented by the old engineer.【拓展】invention是invent的名词形式。例如：He had many inventions all
2、his life.inventor也是名词，但它的意思为“发明家、发明者”。例如：Thomas Edison was a great inventor.【跟踪练习】根据汉语意思完成下列英语句子，每空一词。1. 你知道谁发明了汽车吗？Do you know who _ cars?2. 电话是一百多年以前发明的。The telephone _ _ more than 100 years ago. 3. 他是一个伟大的发明家，无线电是他的发明之一。He was a great _. Radio was one of his _. taste 【例句】I prefer lemons to orange
3、s. I like the sour taste.（P73）【点击】taste在例句中作名词，意为“味道、滋味”。例如：The boy likes the sweet taste and eats candies every day.【拓展】taste可作系动词，意为“尝起来”，后跟形容词作表语。例如：These oranges taste nice.taste也可作实义动词，意为“尝、品尝”。例如：I want to taste the tea.tasty 作形容词，意为“味道好的”。例如：These sandwiches are tasty.【跟踪练习】根据汉语意思完成下列英语句子，每空一词。4. 这鸡肉的味道很好。a. The chicken is _.b. The chicken has a _ _.5. 请尝尝这鸡蛋汤。Please _ the egg soup.6. 这食物尝起来有点甜。The food _ a little _.Word Click1. invented 2. was invented 3. inventor; inventions4. a. tasty b. good taste 5. taste 6. tastes, sweet
