New Words：

consist [kən'sist] vi. 由 ... 组成
consist of sth 由…组成（或构成）

Sample Sentences：

what does a healthy lunch consist of？
The Galaxy consists of 100 billion stars.
The United Kingdom consists of Great Britain and Northern Ireland.

New Words：

skeleton ['skelitn] n. 骨架；骨骼

Sample Sentences：

The human skeleton consists of 206 bones.
He is reduced to a skeleton because of illness.
He said the skeleton could also provide information.

consist [kən'sist] vi. 由 ... 组成

New Words：

private ['praivit] adj. 私人的；个人的；私下的
pay a visit to v. 拜访；探望；去参观

Sample Sentences：

That's my private view.
I wish to have a private talk with you.
If you go to a private hospital you must pay.
The president is paying a private visit to Europe.
The hotel has 110 bedrooms, all with private bathrooms.

New Words：

illegal [i'li:gəl] adj. 不合法的；非法的；违法的

Sample Sentences：

It's illegal to carry guns in our country.
It's illegal for people under 17 to drive a car in Britain.
It's illegal to read people's private letters without permission.

New Words：

mankind [mæn'kaind] n. 人类

Sample Sentences：

Health is the best wealth for mankind.
Mankind can not live on the moon where there is no air and water.
Mankind must put an end to war, or war will put an end to mankind.
Each human being has to die, but mankind goes on world without end.