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