| Unit 15 We’re trying to save the manatees. Section A |
主编：黄冈中学英语集体备课组
Step 1 The introduction to the text
Where can we see most wild animals？ In zoos. Lots of animals live in zoos, including tigers, lions, elephants, pandas and polar bears. It is fun to watch these animals. However, is it good for animals to live in zoos？ Although in zoos animals have safe places to live and enough food to eat, they are not free. In my opinion, nature is animals’ best home. Now because people cut down too many trees and pollute the environment, many animals have no food to eat and become fewer and fewer. Humans share the world with plants and animals. We should try to care for animals.
Step 2 Language points
I．Key words
1．save v. 援救、救；储蓄、储存；节省
It’s a doctor’s duty to save patients.
We should do something to save endangered animals.
She is saving money for a car/to buy a car.
Please turn off lights before you leave home to save electricity.
2．weigh
vi. 重达
How much does your dog weigh？
The fish weighs 3 kilograms.
vt. 称……的重量
Cao Chong came up with a good way to weigh the strong elephant.
He weighed the apple in his hands.
拓展：weight n. 重量
lose weight
What’s the weight of the baby？
=How much does the baby weigh？
The apples are 1 kilogram in weight.
3．against prep. 反对；与……对抗；违反；碰、撞；靠着
My parents are against the vacation plan.
I am against going to school in parents’ car.
Rather than wait for death, Mr. Smith decided to fight against the cancer.
Today our class will play against Class 2.
What he did is against the school rules.
He knocked his knee against the chair.
Please put your umbrella against the wall.
拓展：against的反义词是for，意思是“支持”。
We are for your plan.
4．suitable adj. 合适的；适宜的
suitable time/weather
The program is suitable for teenagers.
The clothes you wear aren’t suitable for the party.
5．educate v. 教育；培养
My only worry is to educate children.
Lisa was educated in the USA.
Parents are supposed to educate children about the dangers of smoking.
拓展：
（1）education n. 教育
receive education
（2）educator n. 教师；教育家
work as an educator
（3）构词方法相同的词有：invent, collect, act, direct
6．urge v. 力劝；极力建议
We urge our parents to live with us.
The article urges all the young people should spend more time with their parents.
7．expression n. 词语；表达方式；表达
American English and British English are different in expressions.
Flora’s favorite expression is “Oh, my God.”
Smiling is an expression of friendliness.
Workers need more freedom of expression.
拓展：express v. 表达
Sometimes I can’t express my thought easily.
The people who can’t speak can express themselves by writing.
Ⅱ．key phrases
care for 照料；照顾；看护
He volunteers to care for the sick boy.
We are supposed to care for wild animals.
Could you please tell me how to care for the new machine？
拓展：
（1）同义短语有look after, take care of。
（2）容易和它混淆的短语是care about。care about意思是“在意；在乎；关心”。
My brother doesn't care about food or clothes.
Ⅲ．key sentences
Zoos are terrible places for animals to live.
动物园对于动物来说不是一个居住的好地方。
Q：句中的live后面能否改成live in？
A：不能。因为在英语中，当动词不定式作定语时，如果该动词是不及物动词，需要带上相应的介词。
I need a chair to sit on.
The shy boy has no friend to talk with.
但是如果动词不定式修饰的名词是place时，那么动词后面不必带介词。
Tibet is a good place to go sightseeing.
拓展：动词不定式修饰名词时，动词和名词之间的关系有两种：主谓、同位。
Yang Liwei is the first Chinese to travel into space.
Could you please tell me the way to solve the problem？
She missed a chance to work abroad.
Ⅳ．Grammar Indefinite pronouns不定代词（Ⅱ）
除了any, no, every, some 构成的不定代词外，还有哪些常用的不定代词呢？请看下表：
|
每一个 |
任何一个 |
另一个 |
全都 |
都不 |
两者 |
each |
either |
（the） other |
both |
neither |
两者以上 |
every/each |
any |
another |
all |
none |
大家知道表中这些不定代词之间的区别吗？我们一起来看看吧！
1．every，each和either的比较
（1）every用于三个或三个以上的人或物，是“每一个”的意思，只能作定语，强调整体概念。
Every teacher is excellent and kind to students.
On every side of the square there are some flowers.
（2）each也是“每一个”的意思，但与every不同，each用于指两个或两个以上的人或物，着重于个别概念，例：
Two students came into the classroom. Each carried a soccer．
Each dress in the shop is in style.
They each have a new story book.
Each of us gives Kangkang a card.
（3）either表示两人或物中的任何一个，用于单数名词前面。
There are some trees on either side of the street.
You can eat either half of the apple.
—Which one do you prefer, the white cup or the pink one？
—Either is OK.
Either of the buses can take you to the park.
注意：either...or...表示“……或……”。
Either Jane or Maria is going to the meeting tonight.
2．other（s），the others, the other和another
①other表示“其他的”的意思，不单独使用，通常修饰可数名词复数。其复数形式是others，可单独使用，无范围限定，表示其它中的一部分。
Maria is always ready to help others.（泛指）
②the others表示其它的全部。
Five of them are boys. The others are girls.
③the other表示两个中的一个。常与one 连用。
I have two brothers. One is a doctor, the other is a teacher.（特指）
④another常用于指三者或三者以上中的 “另外一个，再一个”，只能代替单数名词，也可单独使用。
The dress is a little big for me. Could you show me another？
拓展：another 还可以作形容词，意思是“又一个，再一个”。用法是：another＋可数名词单数；another＋数词＋可数名词的复数。
Would you like another cup of tea？
We need another two desks.
Step 3 Consolidation（真题演练）
1．—Would you like to have ______ cake？
—No, thanks. I’ve had two. That’s enough. （连云港）
A．other B．others
C．another D．the other
答案：C
2．Mr. Black is strongly ______ keeping animals in the zoo, because he thinks animals should also have the right to enjoy freedom. （通化）
A．up B．for
C．against D．down
答案：C
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