Unit 8 Period 1-3知识点课件2023-2024学年牛津译林版英语八年级下册

A green world ·教材知识全解 知识点1 turn off的用法 知识点2 wise的用法 Unit 8 Period 1　Comic strip & Welcome to the unit 教材原文　We can save energy by turning off the lights when we leave a room.我们可以通过离开房间时关灯来节约能源。 turn off意为“关;关闭”,通常指关掉电灯、煤气或其他家用电 器等,与turn on互为反义词。如: Tom, turn off the light and go to bed at once.汤姆,关掉电灯,立即 上床睡觉。 Turn on the TV. I’d like to watch the basketball match.打开电 视。我想看篮球赛。 turn off的用法 知识点 1 107 教材知识全解 (1)turn down意为“关小;调低”,通常指把音量等调低,其 反义词组是turn up,表示“开大;调高”。 (2)以上四个词组都属于“动词+副词”形式,当后面接代词作 宾语时,代词应放在动词和副词的中间。如: The lights are still on. Go and turn them off. 灯还亮着。去把它们关掉。 点拨 　根据句意,选用turn off、turn on、turn down或turn up填 空 (1)Please　　　      the radio. I can’t hear the news clearly. (2)Please 　　 　    the radio. It’s too noisy. (3)Please 　　 　    the light. It’s too dark in here and I can’t see anything. (4)Please 　　 　    the light when you leave here. 例题 turn up turn down turn on turn off 教材原文　It’s wise for people to choose public transport or ride bicycles.人们选择公共交通工具或骑自行车是明智的。 wise作形容词,意为“明智的;充满智慧的”。如: She had made a very wise decision. 她做出了一个非常明智的决定。 wise的用法 知识点 2 106 (1)wisely作副词,意为“明智地;充满智慧地”。如: He wisely decided to tell the truth. 他明智地决定实话实说。 (2)wisdom作名词,意为“智慧”。如: Wisdom goes beyond strength. 智慧胜过力量。 拓展 　根据句意用wise的正确形式填空 As a 　　    man, could you give me some advice on how to spend my money　　     ? 例题 wise wisely A green world ·教材知识全解 知识点3 allow的用法 知识点4 depend on的用法 知识点5 difference的用法 Unit 8 Period 2　Reading 教材原文　For example, we are not allowed to cut down trees.例 如,我们不可以砍伐树木。 allow作及物动词,意为“允许”。allow sb. (not) to do sth.允许 某人(不)做某事;be allowed to do sth.被允许做某事。如: The doctor may allow her to return to work next week. 医生也许会允许她下周回去上班。 You are not allowed to talk loudly in the reading room. 阅览室里面不允许你们大声交谈。 allow的用法 知识点 3 108 教材知识全解    (2023江苏无锡天一实验学校期末模拟)用所给词的适当 形式填空 To my surprise, Ben’s parents allowed him 　　     (visit) Hong Kong Disneyland with me. 例题 to visit 教材原文　We depend on its rich resources to live, s