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Unit 3 "Our Silent Friends" 复习学案
【主题复习】 树木与我们的世界 (Trees and our world)
【核心技能】 辨析事实与观点（Facts vs. Opinions）；
掌握现在进行时（Present Continuous）；
撰写现场报道（Live Report Script）。
第一部分：阅读与词汇探究 (Reading & Vocabulary Focus)
探究任务一：阅读策略建构（面）—— 事实与观点辨析 (Telling Facts from Opinions)
阅读文章 "Our silent friends"，体会作者是如何通过客观事实来支撑主观观点的。请判断以下句子是事实(Fact)还是观点(Opinion)。
Many of the things around us come from trees. ( )
Trees are our silent friends, but we often overlook them. ( )
We can make tea from the leaves of the tea tree. ( )
We can't imagine a world without them. ( )
探究任务二：核心词汇与句型过关（点）
请根据语境和中文提示，完成下列核心短语与句型。
Trees are very important _____ _____ _____ _____ (对所有生物) on Earth.
Trees help us because they _____ _____ (吸收) greenhouse gases like CO2.
Guangzhou is a beautiful city. The trees here _____ us _____ (为...提供) clean air and wonderful shade in summer.
It is sad that humans are _____ _____ (砍伐) forests all around the world.
树木为我们做了这么多。(翻译句子)
___________________________________________________________________________________
第二部分：语法 —— 现在进行时 (Grammar: Present Continuous)
【规则回顾】 现在进行时表示此时此刻正在发生的动作。结构为：am/is/are + v.-ing。
【高频错题诊所】
在日常学习中，同学们常在“be动词遗漏”、“动词ing拼写错误”以及“非延续性/状态性动词误用”上丢分。请像老师一样，找出下列句子中的错误并改正。
Look! The students planting trees in the park.
错误：__________ 改正：__________
Shh! My little brother is makeing a model plane in his room.
错误：__________ 改正：__________
Listen! The birds are singging in the trees.
错误：__________ 改正：__________
I am knowing how to plant a tree now.
错误：__________ 改正：__________
My younger sister is liking eating apples very much.
错误：__________ 改正：__________
【实战演练】
用括号内动词的正确形式填空，注意区分一般现在时与现在进行时：
What _____ you _____ (do) now I _____ (watch) a TV programme about trees.
We _____ (want) to protect our environment, so we _____ (water) the saplings (树苗) right now.
I _____ (hear) a strange sound. Who _____ (knock) on the door
第三部分：写作 —— 植树节现场报道 (Writing a Live Report Script)
探究任务：撰写植树节现场播报稿
作为校园电视台的记者，你正在植树节现场进行直播报道。请根据以下脚手架完成你的初稿。
第一步：核心词汇与衔接词库 (Word Bank & Connectors)
动作短语: dig a deep hole (挖深坑), plant a sapling (种树苗), use a stick to support (用木棍支撑), water the sapling (浇水).
时间/逻辑衔接词: First (首先), Next/Then (接着/然后), After that (之后), Finally (最后).
第二步：搭建报道框架 (Scaffolding)
Beginning (开头 - 交代时间地点与目的)
Hello everyone! I am reporting live from ________ (地点). Today is Tree Planting Day. I am here to show you how our students are helping the environment.
Middle (中间 - 运用现在进行时描述现场动作，注意逻辑衔接)
Look at the boy over there. He is working very hard. First, he is _______________ (挖坑). Next, he _______________ (把树苗种进坑里). Then, to keep the tree straight, he _______________ (用木棍支撑它). Finally, he _______________ (给树苗浇水).
End (结尾 - 总结呼吁)
Trees do so much for us. Let's join hands to protect trees and save our planet! Back to you in the studio.
第四部分：分层进阶任务 (Differentiated Tasks)
请根据自己的情况，选择完成以下任务（Task A 为必做，B和C选做其一）：
Task A（巩固层 - 必做）: 完成本学案所有基础填空与语法纠错题。熟读并背诵第三部分的写作短文。
Task B（应用层 - 选做）: 抛开脚手架，在作文本上独立写一篇完整的植树节现场报道稿（不少于60词），要求涵盖所有的动作细节，并确保现在进行时使用正确。
Task C（创新与探究层 - 选做）: 结合现代信息技术，设计一个关于“保护广州古树”的短视频（Vlog）脚本。不仅要包含动作描述（现在进行时），还要阐述保护这些树木的原因（事实与观点结合）。可以设计封面草图（提示：可以以一位正在讲解的男同学为封面主体人物）。
(教师专用分割线：以下为参考答案，请在印发给学生前截断此部分)
参考答案 (Answer Key)
第一部分：阅读与词汇探究
探究任务一：1. Fact 2. Opinion 3. Fact 4. Opinion
探究任务二：
for all living things
take in
provide; with
cutting down
Trees do so much for us.
第二部分：语法探究
【高频错题诊所】
错误：planting -> 改正：are planting (漏掉be动词)
错误：makeing -> 改正：making (去e加ing)
错误：singging -> 改正：singing (无需双写辅音字母)
错误：am knowing -> 改正：know (表感官、认知、情感的词不用进行时)
错误：is liking -> 改正：likes (同上)
【实战演练】
are, doing; am watching
want; are watering
hear; is knocking
第三部分：写作探究
参考范文填充
Hello everyone! I am reporting live from the school garden. Today is Tree Planting Day. I am here to show you how our students are helping the environment.
Look at the boy over there. He is working very hard. First, he is digging a deep hole. Next, he is planting a sapling into the hole. Then, to keep the tree straight, he is using a stick to support the sapling. Finally, he is watering the sapling.
Trees do so much for us. Let's join hands to protect trees and save our planet! Back to you in the studio.

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