New Words：
continent ['kɔntinənt] n. 大陆;陆地;洲;欧洲大陆(不包括英国和爱尔兰)
Sample Sentences：
There are seven continents in the world.
Five rings in five different colors represent five continents.
The world's coldest continent, and the most difficult to reach, is Antarctic.
New Words：
represent [.repri'zent] v. 代表；表现；体现；象征；描绘
Sample Sentences：
The dove represents peace.
The red lines on the map represent railways.
I have been picked out to represent the whole team.
New Words：
splendid ['splendid] adj. 壮观的；华丽的；极好的；出色的
Sample Sentences：
What a splendid idea!
You're both coming? Splendid!
We got up very early especially for the splendid sunrise.
When you watch the sunrise from the tower, you'll have a splendid view.
New Words：
behavior [bi'heivjə] n. 行为, 举止
Sample Sentences：
You should be ashamed of your behavior.
His behavior showed he was an evil person.
Their behavior towards me shows that they do not like me.
New Words：
shameful ['ʃeimfəl] adj. 可耻的；丢脸的
shameful：这个词主要用于指物，不用于修饰人。
ashamed [ə'ʃeɪmd] adj. 惭愧的；羞愧的；羞耻的；感到难为情的
ashamed：这个词主要用于指人，意为 “羞愧的，羞耻的；惭愧的，内疚的；尴尬的；觉得丢脸的” 。
Sample Sentences：
What a shameful day for him!
It's shameful for me to tell a lie.
Are you not ashamed of your shameful behavior?
He should be ashamed of himself for telling such lies.
Tom was deeply ashamed of his behavior at the party.
behavior [bi'heivjə] n. 行为, 举止
splendid ['splendid] adj. 极好的, 辉煌的, 壮观的, 杰出的