小学英语Unit 12 The Earth精品课件ppt
展开What things are there in the sky?
What things are there n the Earth?
Listen and say
Write the wrds in the bxes. Then talk abut the Earth.
The Earth was…and …in the past, but nw sme parts…We shuld stp…
The Earth was very clean and beautiful in the past, but nw sme parts are dirty.
We shuld stp thrwing rubbish int rivers, cutting dwn s many trees and using plastic bags.
Language pints
1. We shuld stp cutting dwn s many trees. 我们应该停止砍伐这么多的树。
stp的意思是“停止”，stp ding sth. 的意思是“停止做某事”，表示停止正在做的事情。例句：停止讲话。老师进教室了。 Stp talking. The teacher cmes in the classrm.
注意：stp t d sth. 停下来去做某事 表示停下来，去做另外一件事情。例句：我们走了一个小时。咱们停下来休息一下吧！ We walked fr an hur. Let’s stp t have a rest.
Lk and learn
Lk and read
We live n the Earth. The Earth is a beautiful place. There are rivers, ceans, land and frests. There are many different plants and animals t.
我们居住在地球上。地球是一个美丽的地方，有河流、海洋、陆地和森林，也有很多不同的植物和动物。
Peple, plants and animals need clean water and air. Smetimes peple thrw rubbish int rivers and ceans. Smetimes peple cut dwn t many trees. Smke frm cars and factries makes the air dirty. The Earth gets sick.
人、植物和动物需要洁净的水和空气。有时人们向河里和海洋里扔垃圾。有时人们砍伐太多的树。来自小汽车和工厂的烟使空气变脏。地球生病了。
Nw peple wrk tgether t keep the Earth clean and healthy. They pick up rubbish. They plant trees every year.
现在人们共同努力使地球保持干净和健康。他们捡起垃圾。他们每年植树。
They recycle glass and paper. They bring their wn shpping bags and stp using plastic bags.
他们回收利用玻璃和纸。他们带他们自己的购物袋并且停止使用塑料袋。
1. Why des the Earth get sick?2. What d peple d t keep the Earth clean and healthy?
Answer the questins.
Because smetimes peple thrw rubbish int rivers and ceans. Smetimes peple cut dwn t many trees. Smke frm cars and factries makes the air dirty.
1. Why des the Earth get sick?
Peple pick up rubbish and plant trees every year. They recycle glass and paper. They bring their wn shpping bags and stp using plastic bags.
2. What d peple d t keep the Earth clean and healthy?
2. The Earth gets sick. 地球生病了。
get是系动词，意思是“变得，成为”，表示一种变化过程，强调逐渐变化。后面跟形容词作表语。例句：夏季白天变得更长。 The days get lnger in summer.
（1）turn的意思是“变得，变成”，指在颜色和性质等 方面与以前的完全不同，强调变化的结果。 例句：叶子变黄了。 The leaves turn yellw.
拓展：turn 和 becme
（2）becme的意思是“成为；变成”，是一个中性词，可用于好、坏两方面的变化。多指身份、职位，暂时性的身心变化或永久性的自然变化，它强调变化的过程已经完成，后面可接名词或形容词。 例句：他成了一名科学家。 He becmes a scientist.
Ask and answer
What shuld we d t save the Earth? Put a tick(√) r a crss(×) in the bx. Then talk abut it in grups.
S1: What shuld we d t save the Earth?S2: We shuld…S3: We shuld…S4: We shuld stp…
We shuld write n bth sides f paper.
What shuld we d t save the Earth?
We shuld nt litter.
We shuld stp killing wild animals.
Think and write
and using plastic bags
plant mre trees
thrwing rubbish int
rivers, cutting dwn s many trees
Review the sunds
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