翻译短语或句子。
1. 交换学生________ 2. 例如________
3. 他这人冷淡、忧郁，我不太喜欢他。
________________________________
4. 我妈妈是一个温和宽容、性格外向而又活泼的人，我把她当朋友。
5. — 那个瘦高个是谁？长相不错哦！
— 他是三班的李超。
— 他人怎么样？
— 还可以，挺易相处的，可有点害羞。
6. — Who's the big boy with curly hair?
— That's Jack: He's cool. He likes to wear black shirts and sunglasses. And he's a good student. I like him.
— Why do you like him? He looks so serious.
— Because he's funny, he can talk like our teacher, Miss Gao.