04 Unit 13 第4课时 Section B(1a-1e)（同步学练测）-【全效学习】2025-2026学年九年级英语全一册同步学练测课件PPT（人教版）

该初中英语课件聚焦环保主题，涵盖recycle等词汇、when/while用法辨析、stop doing/to do及turn短语等语法点。课堂导学通过词汇讲解结合典型例句，对比辨析易混知识点，搭建从基础到拓展的学习支架，帮助学生衔接前后知识。 其亮点在于以微语篇形式整合Reduce、Reuse、Recycle词汇练习，渗透环保文化意识，同时通过对比辨析（如when/while用法）培养思维品质。基础达标题从单词填空到句子完成再到语篇填空，层层递进提升语言能力。学生能在语境中运用知识，增强环保责任感，教师可直接利用结构化内容提升教学效率。

第4课时 英语九年级全册 01 课堂导学 02 基础达标 CONTENTS 目 录 01 课堂导学 1．recycle v．回收利用；再利用。其形容词形式为recyclable 可回收利用的。　 2．napkin n. 餐巾；餐巾纸 3．when/while conj. 当……的时候 【拓展】when和while用法辨析 (1)若主句和从句表示两个同时进行的持续性动作，且强调主句表示的动作延续到从句所指的整个时间，通常要用while。 第4课时 返回目录 (2)若从句是一个短暂性动作，而主句是一个持续性动作，用when而不用while。 (3)若主句和从句表示的是两个同时(或几乎同时)发生的短暂性动作，一般要用when。 第4课时 返回目录 4．stop riding in cars 停止开车。stop doing sth. 停止做某事。其中动名词作stop的宾语。 【典型例句】You should stop smoking. 你应该戒烟。 【拓展】stop to do sth. 停下来去做某事。动词不定式作目的状语。 第4课时 返回目录 5．turn off 关掉 【典型例句】It's time to go to bed. Turn off the TV. 该上床睡觉了。关掉电视机。 【拓展】turn off, turn on, turn down和turn up用法辨析 turn off 把(水源、煤气、灯、电源等)关掉。其反义短语为 turn on。turn down 把(收音机、电视机等的音量)关小、调低。其反义短语为turn up。 第4课时 返回目录 【典型例句】①He asked me to turn on the radio for him. 他让我帮他打开收音机。 ②Turn the heat down, or your cake will burn. 把热度调低，否则你的蛋糕就要糊了。 ③If you are cold, turn up the heat. 如果你冷，就调高温度。 第4课时 返回目录 02 基础达标 一、用括号内所给单词的适当形式填空 1．Please put these paper ___________(napkin) into the bin. 2．Saving electricity ______(be) one thing we can do for our world. 3．Is it easy for you____________(save) water, Daniel? 4．This kind of clothing ________________(recycle) and has become popular among young people. napkins is to save is recycled 第4课时 返回目录 5．Mr.Wang rides a bike to work instead of ___________(drive) his car now. driving 第4课时 返回目录 二、根据汉语意思完成句子，每空一词 1．当你离开时，请关灯。 ________ _______ the lights when you leave. 2．约翰正在参加学校里的很多活动，所以他有点忙。 John ______ __________ ________ ______ many school activities, so he is a little busy. Turn off is taking part in 第4课时 返回目录 3．我们应该从现在开始努力学习，实现我们的中国梦。 We should work hard ________ _______ ______ to achieve our China Dream. 4．购物时，你应该带上你自己的袋子。 You should ________ ________ _______ bags ________ ____________． from now on take your own when shopping 第4课时 返回目录 5．我们应该热爱自然与动物，并停止伤害它们。 We should love nature and animals and ________ _________ harm to them. stop doing 第4课时 返回目录 三、微语篇练词汇 It's everyone's duty to protect the environment. Here are three words people should remember when 1．__________ (face) the problems about the environment. facing 第4课时 返回目录 Reduce：Reduce means “use less”. Do not waste things. It saves money and causes less pollution. Do not order 2．________(much) food than you can finish. Turn off the lights when you do not need them. Before you buy something new, think about whether it is 3．__________(real) necessary because maybe the old one is just as good! more really 第4课时 返回目录 Reuse：Reuse means “use again”. Use things for as long as possible. Look after them so that they will last. Repair them if possible. Do not throw them away and buy new ones. Do not use paper cups 4．______ paper bags. or 第4课时 返回目录 Recycle：Recycle means “change things into something else to 5．______________(reuse)”. We throw away tons of rubbish each year, and we have to make a change. Sort your rubbish into plastic, glass, paper and rubber. Develop a recycling policy for the whole community. be reused 第4课时 返回目录 本课件由“瀚渤文化”出品，仅限教学使用。 本课件所有权和著作权归本公司所有， 任何人不得以非法形式进行销售或传播，违者必究! 温馨提示 $