New Words：

normal ['nɔ:məl] adj. 典型的；正常的；一般的
normally ['nɔ:məli] adv. 通常；正常地；正常情况下；平常地

Sample Sentences：

Everything is absolutely normal.
It's normal to feel tired after such a long trip.
The doctor said the child's temperature was normal.

I'm not normally allowed to stay out late.
Normally, the disease lasts about five days.

New Words：

develop [di'veləp] v. 发展；开发；(使)成长；壮大；发育

Sample Sentences：

The child is developing normally.
Modern music was first developed in Italy.
Warm rains and summer suns develop the plants.
We must do our best to develop the national economy.
Humans are the only animals to have developed speech.

normal ['nɔ:məl] adj. 典型的；正常的；一般的
normally ['nɔ:məli] adv. 通常；正常地；正常情况下；平常地

New Words：

method ['meθəd] n.方法；办法；措施；条理

Sample Sentences：

He is a man of method.
I have a simple and easy method.
He invented a new method to make bread.
What is the best method of studying English?

New Words：

modern ['mɔdən] adj.现代的；时髦的；近代的；现代化的
modern times 现代；近代；当代

Sample Sentences：

She wears a modern dress.
He was one of the great artists in modern times.
To see the China of modern times, go to shanghai.
In the afternoon they went to an exhibition of modern art.

New Words：

ancient [ˈeɪnʃənt] adj. 古代的；古老的；很老的
ancient times 古代

Sample Sentences：

He drives an ancient car.
Some ancient towns have wall around them.
In ancient times, people knew how to make use of fire.
In ancient times the earth was conceived as a flat disc.