1. base n. 基部,基地,基础v.以……为基础 / 根据
the base of a glass 玻璃杯底
These policies have a broad base of support.这些政策受到广泛支持。
base sth. on/upon sth. 以……为基础/根据
What are you basing this theory on?
你这种理论的根据是什么?
base …on…
be based on… 以……为基础/根据
e.g.The movie is based on a real-life incident.
The report is based on figures from six different European cities.
2. vocabulary n. 词汇,词汇量
to have a wide vocabulary 词汇量大
Reading will increase your vocabulary.
The word “failure” is not in his vocabulary.
3. latter adj. 较后的,后半的,(两者中)后者的 n.后者
the former… the latter… 前者……后者……
I like the latter book.
They keep horses and cattle, the former for riding, the latter for food.
He presented two solutions.
The latter seems much better.
4. identity n. 本身,身份
identity card 身份证(ID card)
The police are still uncertain of the murderer’s identity.
5. command n. & v. 命令;指令;掌握
Begin when I give the command.
The police arrived and took command of the situation. (控制)
He commanded the men to shut the gates.
He commanded that the men should shut the gates.
He commands a large vocabulary.
command sb. to do sth.
command that sb. should do sth.
6. request n. 请求;要求
They made a request for further aid.
The staff immediately made a request that he (should) reconsider his decision.

He requested a loan from the bank.
You are requested not to smoke in the restaurant.
She requested that no one should be told of her decision.
request sth. (from sb.)
request sb. to do sth. →be requested to do sth.
request that sb. should do sth.
7. recognize vt. 辨认出;承认,公认
e.g.I recognized him as soon as he came in the room.
recognize…as…
Drugs were not recognized as a problem then.
The book now is recognized as a classic.(经典著作)
8. straight adj. 直的,笔直的,adv.直接地,挺直地
a straight line
long straight hair 又直又长的头发
Keep straight on for two miles. 一直向前走两英里。
He was too tired to walk straight.
Come straight home after school.
9. because of (sth./doing sth.)
They are here because of us.
He walked slowly because of his bad leg.
Because of his wife’s being there, I didn’t say anything about it.
Because his wife was there,I ….
10. come up 走近,上来;提出
While we were talking, a man came up.
We saw a big black bear coming up on us from the woods.
The question hasn’t come up yet.
come up with 提出,想出
Scientists will have to come up with new methods of increasing the world’s food supply.
11. at present 目前,现在
So that is how the matter stands at present.
be present (at…) 出席,在场
How many people were present at the meeting?
He was pleased at seeing so many people present.
present 现在的
Here is the doctor’s present address.
12.make use of 利用
make good / full use of…
We should train them to make full use of reference books.
She wondered what use he would make of his opportunity.
In my opinion it’s the best use that could be made of this money.
13. play a part (in… )