新概念英語第三冊(美音版)Flying cats

never fail to ,雙重否定意味肯定，運用雙重否定結構加深句子的語義
If you ask for help in the polite way,you never fail to succeed.
If you receive requests like this,you'll never fail to accept.

雙重否定結構
1. never fail to,can't fail to,don't fail to,否定詞＋fail to
2. 否定的形容詞之前加以否定，unreasonable,not unreasonable
What he said is not unreasonable.
It is quite common(not unvommon) for us to make mistakes.
3.not+without
You can't obtain English without working hard.
He doesn't have any meal without meats.
4.no+not
There is no cat that doesn't like fish.
There is nothing that he can't do.
There is no rule that has no exception.

as well

as a result

have learned to :學會了，習慣了
People have learned to expect that trains are punctual.
Children have learned to expect that their parents are very able.

be suspicious of sb:對什么表示懷疑，存有戒心

one of the things that fascinates us most,that引導定語從句

that 引導同位語從句
One of the things that fascinates us most about planes is the popular fact that they are safe and fast.

turth,不可數(shù)名詞，a good deal of
apparently:顯然，顯而意見

It seems that...

survive(v.),fall(v&n.)
a cat's ability to survive falls is based on fact

be based on: 基于事實基礎之上
base sth on：把某事加強在什么基礎之上
We base the theory on the fact.
The theory is based on fact.

make a study of sth:對什么作出研究

over a period of five months.

in common=the same.

fall off ：墜落，掉落

die from:死于
死于疾?。篸ie of illness/disease/hunger/thirst.自然的死亡用of
死于非自然原因：die from shock/injures/wound ,用from

there is no shortage
shortage:缺乏＝lack,于of搭配
Shortage of money led to the failure of the experiments.

32 storeys

suffer from:遭受什么痛苦
A lot of people in the world are suffering from terrible disease.

behave like=act like

well-trained: 訓練很好的，well-decorated：裝飾漂亮的

the further cats fall,the less
典型的the more...the more...句型，用定冠詞the修飾形容詞或副詞的比較級
The harder you study English ,the better you can learn it.
The more you eat,the fatter you will be.

be likely to do:有可能如何，強調可能性
In cold winter,We are likely to catch a cold.

and more :甚至更多

at high speeds

stretch out:充分伸展