ID: 25367882

Unit 4 Space Exploration-Discovering Useful Structures 课件(共27张PPT)-2025-2026学年高中英语人教版(2019)必修第三册

日期:2026-03-31 科目:英语 类型:高中课件 查看:43次 大小:349939B 来源:二一课件通
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Unit,第三,必修,2019,人教,高中英语
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(课件网) Section Ⅱ Discovering Useful Structures 走近新课·一起感知 语法探究·一起思考 随 堂 练 习 走近新课·一起感知 阅读下列句子,写出画线部分在句中所做的成分 1.I have nothing to say._____  2.They went to see their aunt._____  3.That’s the way to do it._____  4.I trained for a long time to fly airplanes as a fighter pilot. _____  5.Lisa got a new toy to play with._____  6.Other men live to eat,while I eat to live._____  定语 状语 定语 状语 定语 状语 语法探究·一起思考 词汇讲解 语法讲解 词汇讲解 1.Astronauts’ bones and muscles can get very weak in space due to the lack of gravity,so they need to exercise every day,which will help them stay healthy.(Page 42) 由于缺乏重力,宇航员的骨头和肌肉在太空中可能会变得很虚弱。因此他们需要每天锻炼,这将有助于他们保持健康。 ★lack n. 缺乏;短缺 She was tired for lack of sleep. 她由于缺乏睡眠而疲惫不堪。 Lack of exercise made him very weak. 缺少锻炼让他身体非常虚弱。 【合作探究】 读一读·细观察  阅读下列句子,写出句中黑体词的词性及含义 ①His real problem is that he lacks confidence. 词性 动词 含义 没有;缺乏 ②The teacher said that the children were lacking in confidence. 词性 形容词 含义 没有;缺乏;不足 ③Now we lacks for money and time. 词性 动词 含义 没有;缺乏;短缺 说一说·勤归纳  【即学即用】 句型转换 Though Jack lacked experience,he made up for it in enthusiasm. →Though _____experience,Jack made up for it in enthusiasm. →Though _____ _____experience,Jack made up for it in enthusiasm. →Though _____ _____experience,Jack made up for it in enthusiasm. lacking lacking for lacking in 2.Will scientists figure out a way to store sufficient food and water for the long journey (Page 42) 为了这次长途旅行,科学家们将会想出一种方法来储存足够的食物和水吗 ★figure out 弄懂;弄清楚;弄明白 It took them about one month to figure out how to start the equipment. 他们花了大约一个月的时间才搞清楚如何启动设备。 I couldn’t figure her out.我摸不透她。 【合作探究】 读一读·细观察  阅读下列句子,写出句中黑体词的词性及含义 ①Can you read this figure Is it a three or an eight 词性 名词 含义 数字 ②He was one of the great figures of his age. 词性 名词 含义 人物 ③This is the figure of Mary,painted by that man. 词性 名词 含义 画像 ④They figured it was better to stay where they were. 词性 动词 含义 认为 ⑤I’m dieting to keep my figure. 词性 名词 含义 身材 说一说·勤归纳  【即学即用】 翻译句子 (1)I figured that you would arrive before noon. _____ (2)I can’t figure out the total cost. _____ (3)I can’t figure out why she said so. _____ 我认为你会在中午前到达。 我算不出全部费用。 我无法理解她为何这样说。 语法讲解 知识脉络 语法精讲 动词不定式做状语和定语 一、动词不定式做状语 1.动词不定式做状语表示目的 Her mother plans to fly to Beijing at least four times a year to/in order to/so as to visit her. 她母亲计划每年至少四次飞到北京去看她。 2.动词不定式做状语表示结果 What have I done to offend you 我做什么冒犯你了 Jane hurried back only to find that her mother had left. 简 ... ...

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