New Words：

gate [ɡeɪt] n.闸门；大门；围墙门
century ['sentʃəri] n.世纪；百年；100 年
equal ['iːkwəl] adj.相同的；相等的；平等的；同等的

Sample Sentences：

He pushed open the garden gate.
He said he would wait for me at the gate.

You think people are equal. No, they're not.
That's one of the big questions of 21st century.
If our children should live to see the next century, what change will they see?

New Words：

duty [ˈdjuːti] n. 责任；职责；义务；值班
through [θruː] 穿过；通过

Sample Sentences：

My duty is to look after the animals.
It is my duty to report it to the police.

First I have to get through the exams.
Can you go through the wood alone at night?
Go through this gate, and you'll see the house on your left.

New Words：

corner [ˈkɔːrnər] n. 角；拐角；街角；墙角
serve [sɜːrv] v. 服务；提供；接待

Sample Sentences：

I hit my knee on the corner of the table.
Students come here from the four corners of the world.
Write your address in the top right-hand corner of the letter.

To serve the people is our duty.
Breakfast is served between 7 and 10 a.m.
This man would go through fire and water to serve his friend.

duty ['duti] n. 责任；职责；义务；值班
through [θruː] 穿过；通过

New Words：

wise [waɪz] adj. 充满智慧的;明智的;英明的
strange [streɪndʒ] adj. 奇怪的；奇特的；异常的；陌生的

Sample Sentences：

She made a very wise decision.
It was wise of her not to go there alone.

A strange thing happened this morning.
Don't you think he's a little bit strange?
Don't you think his car is making a strange noise? Tell him to mend it, please.

New Words：

trousers [ˈtraʊzərz] n. 裤子;长裤
helmet [ˈhelmɪt] n. 头盔;防护帽

Sample Sentences：

How much is that pair of trousers?
Mother bought me a pair of trousers.
He was dressed in a shirt, dark trousers and boots.

I really sleep good in this new bike helmet.
People hate to wear a helmet because it's thick and heavy.