Module 2 Man's best friends Unit 4 Save the trees.重点词汇课件20张

(共20张PPT)
Unit 4(save the tree)
July 16th Friday
Teacher: XXX
save
①拯救
eg: Let's save the earth together because it is in danger.
②储蓄，积攒
eg: I’m saving for a new computer.
③节约，节省
eg: We should try to save energy.
safe adj. 安全的
eg: 呆在家是很安全的
safty n. 安全 protect one's safty 保护...的安全
eg: 在2020年，许多医生都在保护大家的安全。
discuss
V. 讨论 discuss sth with sb 和某人讨论某事
discussion n. 讨论
against
prep. 反对
(1) 表示“靠，椅”
E.g:Many people are against the wall.
(2) 表示“防止；预防”
E.g: Have you had an injection against the disease
harmful
adj. 有害的;
反义词： harmless adj.无害的，不致伤的.
be harmful to 对… 有害
eg: It’s harmful to your eyes to read in the dark.
It is obvious that smoking is harmful to health.
很明显, 抽烟对健康有害。
furniture
n. 不可数名词，家具。
a set of furniture 一套家具;
a piece of furniture 一件家具
eg: This old French table is a very valuable piece of furniture.
这张古老的法国餐桌是件很有价值的家具。
however
adv . 表转折，意为：然而；但是。
可位于句首、居中、句末，要用逗号与其他部分隔开。
But也表转折，为连词，位于句首或居中。but之后一般不得使用逗号，而however则必须用逗号与句子其它部分分开。如：
eg: I thought those figures were correct.
However, I have recently heard they were not.
....... , but I did tell you about the examination!
短语（词组）
1. want to do sth 想要做某事
2. interview sb about sth 采访某人某事
3. help sb do sth 帮助某人做某事
4. in many ways 在许多方面
5. keep sth +adj 使...处于什么状态
6. take in 吸收
7. fight against 与…作斗争〔争吵〕; 反对…
They the enemy.他们在和敌人作战。
fight with
1)用(某种武器)与(某人)交战; 用(某种方式、手段)反对(某人)
eg: Now, we fight with guns.
现在, 我们用枪打仗。
2)与…争斗
eg: They had to fight with a force twice their number.
他们不得不同两倍于他们的敌人作战。
8.make sb do sth 让某人做某事
9. in daily lives 在日常生活中
10. for example 例如 such as
11. In fact事实上
12. come from 来自于... 相当于be from
13.get sth from从某处得到某物
14.look around 环顾四周
15.be made of 由...制成（看得见原材料）be made from （看不见原材料）
16.cut down 砍伐
17.stop doing sth停止做某事 stop to do sth 停下来去做某事
18. be home to ...的家园
19. thousands of 成千上万的，millions of 数以百万计的
Hundred, thousand, million等前面接数字时，后面不用加S,
如： two hundred, three thousand, four million.
Hundreds of, thousands of, millions of 等前面不可加基数词。
20. by doing sth 通过做某事
21. because of +n 因为... because+句子
22. As a result 结果,因此.
23. a number of 许多，大量的， 后接名词复数，谓语动词用复数。
the number of ....的数量, 后接名词复数，谓语动词用单数。
如： The head teacher asked a number of students to clean the meeting hall.
As a result, the number of kinds of animals, birds, insects and trees in the world is decreasing.
24. do one’s best to do sth 尽某人最大的努力做某事 try one’s best to do sth
25. imagine 想象 imagine doing sth 想象做某事
26. be good for 对...有好处
27. in danger 处于危险中
句型
1.They keep the air cool and clean.
2.They’re major fighters against air pollution
3.... make our lives more convenient
4. I can’t imagine a world without trees.
5. We should stop doing this if we don’t want....
6. We must do our best to....
PART
现在完成时
现在进行时的标志词与用法
观察：
1. Listen！Tom is playing the piano in the room.
2.---What are you doing at the moment
---I am reading a book.
3. The workers are building the mansion these days.
4. When are you leaving for London
观察：I know the answer(正） I am knowing the answer(误）
I have two books(正） I am having two books(误）
练习
( ) 80. Some are _________ in the river and some are _____ games.
A. swiming, skating B. swimming, skating C. swimming, skateing
( ) 81. Look! The boy students are ___ football while the girls are ________.
A. playing, dance B. playing, dancing C. play, dancing D. play, dance
( ) 82. ________ he ______ on well with his friends this term
A. Does, gets B. Does, get C. Is, getting D. Is, geting
( ) 83. Mr. Smith ______ short stories, but he ______ a TV play these days.
A. is writing, is writing B. is writing, writes C. writes, is writing D. writes, writes
B
B
C
C
练习
( ) 84. I _______ to the cinema. I _________ there every Sunday.
A. go, go B. am going, go C. go, am going D. am going, am going
( ) 85. Look! They _________ a good time, _________ they
A. have, do B. have, don't C. are having, are D. are having, aren't
( ) 86. You ________about the future (将来) now, ________you
A. don't think, don't B. aren't thinking, aren't C. don't think, do
D. don't think, are
B
D
C
PART
拓展学习-《宝贝老板》
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