Unit 6 Period Ⅲ Developing ideas-【金版教程】2023-2024学年新教材高中英语必修第二册创新导学案课件PPT（外研版2019）

WELCOME UNIT Period Ⅲ　Developing ideas 课前预习自检 重点合作探究 课堂效果检测 课后课时作业 目录 CONTENTS 1 2 3 4 课前预习自检 What's really green? 什么是真正的环保？ •Most of us are aware that we must take care of the environment, and the majority of us take steps to save energy and reduce waste and pollution. 我们大多数人都意识到我们必须保护环境，而且我们大多数人采取措施节约能源，减少浪费和污染。 目录 But recently, some “green truths” have been shown to be only half true, or even completely false. 但最近，一些“环保真相”已经被证明只有一半是正确的，甚至是完全错误的。 Here are some common ones. 以下是一些常见的例子。 Which are really green? 哪些是真正的环保？ 目录 ①__________ n. 多数，大多数(人或物) ②_________ adj. 不正确的，错误的 ③第一个and连接两个________，that引导______从句，作形容词aware的________。 majority false 并列句 宾语 宾语 目录 Paper shopping bags are better than plastic ones. 纸质购物袋比塑料袋好。 Plastic bags cause litter and are a danger to wild animals, which mistake them for food. 塑料袋会造成垃圾，对野生动物来说是一种危险，它们会误以为塑料袋是食物。 It takes hundreds of years for plastic to break down, but much less time for paper. 塑料需要数百年的时间才能分解，而纸张则需要更少的时间。 Because of this, people think paper bags are the better environmental choice. 因此，人们认为纸袋是更好的环保选择。 目录 •However, making a paper bag uses four times as much energy as making a plastic bag and up to three times the amount of water. 然而，制作一个纸袋所消耗的能源是制作一个塑料袋的四倍，用水量多达塑料袋的三倍。 The process also produces more greenhouse gases. 这个过程也会产生更多的温室气体。 In fact, both kinds of bags are bad for the environment. 事实上，两种袋子都对环境有害。 So, take a reusable bag with you when you go shopping. 所以，当你去购物的时候，带一个可重复使用的袋子。 目录 ④_________ n. 数量，数额 ⑤making a paper bag为动名词短语作______，谓语动词用单数。 amount 主语 目录 When you turn off a device, it stops using power. 当你关闭一个设备，它停止消耗电力。 When we turn off a device, such as television, it goes into stand­by mode. 当我们关掉一个设备，比如电视，它就会进入待机模式。 Devices in this mode still use power, and older devices in stand­by mode can use even more. 在这种模式下的设备仍然需要消耗电力，而在待机模式下更旧的设备会消耗更多电力。 这是因为即使在设备“关闭”的情况下，电流仍会从设备中泄漏。 To make sure your appliance is in fact off, remove the plug from its power supply. 为了确保你的家用电器真正关闭了，从电源上取下插头。 目录 ⑥_________ n. 设备，仪器，