内容正文:
Unit 8
Lesson 45 Let’s Sort Garbage!
新课导入
Do you know how to sort garbage?
Let’s watch a video:
1.能熟悉并能正确运用本课时的重点单词和短语
2.能用英语简单描述垃圾分类
3.掌握it做形式主语的用法
学习目标
预习检测
1.The trees should often, or it will die.
A.water B.watered C.be water D.be watered
2.It is difficult the work on time.
A.to finish B.finish
C.finishes D.finishing
D
A
3.There will be_____people and _______pollution in the future.
A.more, fewer B.more, less
C.less, more D.less, fewer
4.The paper can_______again.
A.use B.be use C.be used D.be using
5.Trees can be made__ paper.
A.on B.of C.from D.into
B
C
D
知识梳理
1. Jenny has emptied two bags of garbage onto the floor.
empty此处作及物动词,意为“倒空;使……成为空的”,
可和from,onto等介词 搭配使用。
empty...from...把……从……倒出;
empty...onto...把……倒到……上。
He emptied some apples from the bag.
Danny empties two bags of garbage onto the floor.
【归纳拓展】empty的不同词性
empty 形容词, 意为“空的”, 后接名词。
例如: There is an empty bottle on the table.
动词, 意为“倒空”, 后常接表示容器的名词
【图解助记】
Empty the bottle. The bottle is empty.
2. Can I help you sort it? sort v. 分类。例如:
They sorted the oranges into large ones and small ones.
Please sort these cards according to their colour.
3. Almost all of it can be reused or recycled!
1) 此句为含有情态动词的被动语态,其构成形式为:
情态动词(can / may / must / should) +be + 过去分词。例如:
The flowers should be watered every day.
Cars mustn’t be parked here.
Children can be taken to the cinema free on Children’s Day.
2) re-是前缀,意思是“再,重新”。例如:
rewrite, replay, reappear, rebuild, remarry等。
reuse意思是“重新使用,再使用”
She often reuses old envelopes.
recycle意思是“使再循环;使……重新利用,重复利用”
They recycle empty tins so as to use the metal.
4. People throw too much away!
too much修饰不可数名词或修饰比较级, 有“过分,难以接受”之意。
too many 太多,修饰可数名词的复数 much too 太……,修饰原级
1). 去年雨水太多。
There was _________ rain last year.
2). 不要吃得太多, 否则你会生病的