He is an official in the War Office.

adj. 政府的、正式的、公务上的

　e.g. an official visit：正式访问；an official residence：官邸；

They attended the party officially.

6. consist：vi. 1)（有部分、因素）组成、构成，与of连用，= be made up of

e.g. Coal consists mostly of carbon.

The club consists of more than 100 members.

The school consists of over 100 classes.

2) (本质）在于、存在于，与in连用。

e.g. Her beauty consists in her fine qualities.

The highlight of the picture consists in the balance of colours.

7. pick up：有许多意思，常用的含义有：捡起、接收、（用车来）接/装、无意中获得（知识、消息）、便宜购得、身体变好、（车）加速等。

e.g. The boy picked up the book and returned it to the lady.

This radio is small, but it can pick up BBC and VOA.

Wait here and I'll pick you up in ten minutes.

Nonsense! Where did you pick up that news?

I picked up this ancient vase in a second-hand shop the other day.

We're glad to know that she is picking up and will come back to class soon.

After turning around a corner, the car began to pick up speed.

pick：摘、采、扒窃

　e.g. pick flowers

　　　He had his pocket picked and suffered a loss.

pick out：挑选、分辨出

e.g. Can you pick out the man who did you wrong?

She picked out a pair of red shoes on show.

8. contribute：vt. 捐助、提供......= donate sth. to ...、投稿、对......有贡献。

常用句型：contribute sth. to ...

e.g. He contributed a lot of money to the school.

Every year the old man contributes ten thousand yuan to the charity.

I often contribute articles / short stories to the magazine.

vi. 成为......的原因，常用句型：A contribute to B = lead to / result in

e.g. The heavy rain contributed to the harvest loss this year.

A good knowledge of English contributed to his getting the job in our company.

contribution：贡献，常用复数，用于词组：make great / no .... contributions to

e.g. The old professor has made great contributions to the space science of our country.

9. Norman：诺曼人，注意它的复数：Normans, 类似的词较少，常见的有：Germans, humans

Romans。

区别于：Frenchman - Frenchmen； Frenchwoman - Frenchwomen

　　　　　Englishman - Englishmen；Englishwoman - Englishwomen

policeman - policemen； policewoman - policewomen

以及类似的合成词。

10. conquer：vt. 征服......、击败；克服（困难）、去除（习惯）

e.g. In the next year, the invaders conquered the whole country.