Unit1 Past and present
1、I’ve lived here since I was born.
since 可以作介词，连词意为“自从”和“既然”
【用法1】与现在完成时或过去完成时连用，since可以接短语，如since 1994（自从1994年），since leaving school（自从离开学校），since也可以接句子，since I was born（自从我出生以来）
【用法2】since表示“既然”，引导原因状语从句
【例句】We’ve lived here since 1993.自从1993以来我们就住在这里了。
Since we are here, we should visit our teacher.既然我们在这，我们就应该去看看我们的老师。
【经典练习】She’s been off work _____ Tuesday. 星期二以来，她一直没上班
【解析】since
2、When I got married in 1965, my wife and I moved two blocks away.
marry 作动词，意思是“娶、嫁”，married作形容词，意思是“已婚的”
【用法1】marry sb. 娶某人，嫁给某人
【用法2】be/get married to sb.和某人结婚
【用法3】marry A to B 把A嫁给B
【例句】He married the girl last year. 他去年娶了那个女孩。
He was married to the girl last year.
Her father will marry her to the man tomorrow. 她父亲明天就要把她嫁给那位男性。【经典练习】---When did you______ your husband?
--- Two years ago.
【解析】marry
3、Now the government has turned part of the town center into a new park.
turn 可以作动词，意为“转变”，作名词，意为“（依次轮到的）机会”
【用法1】It’s one’s turn to do sth.该轮到某人做某事了
【用法2】turn out 原来是，结果是；turn into变成；turn on 打开；turn off 关闭；turn up 出现；把声音调高；turn down 拒绝；把声音调低
【例句】It’s your turn to do the cleaning.该轮到你打扫卫生了。
【经典练习】--Hi, Simon. You look so excited, what happened?
---We won the football match, and the result_______ to be better than expected.
A. turned out
B. found out
C. worked out
D. came out 【解析】A turn out 结果是
4、Later the government realized the problem.
realize 作动词，意为“实现，意识到”
【用法1】realize one’s dream 实现梦想=achieve one’s dream=one’s dreams come true
【用法2】realize the danger意识到危险
【例句】To realize his dream, he always works hard.为了实现他的梦想，他一直很努力工作。【经典练习】She must _______ the importance of study.
【解析】realize 意识到学习的重要性
5、The government then took action to improve the situation.
action 作名词，意为“行动”，situation 作名词，意为“情况、状况、形势”
【用法1】take action to do sh.采取行动做某事
【用法2】improve the situation 改善情况
【例句】We should take action to help those children in poor areas.我们要采取行动来帮助贫困地区的那些孩子。
【经典练习】The rivers will become dirtier and dirtier unless we ____________ protect them.
【解析】take action to
【课后练习】
词汇运用
1. A report says that ____________ (marry) men usually save more money than single men.
2. English is such a useful language that we have to use it in our daily ___________ (communicate).
3. Air ____________ (pollute) is becoming worse and worse. We must take action right now.
4. The weather in the north is usually better than that in the ____________ (south) part of China.
5. Though Grandpa’s been ____________ (die)for years, I often miss him.
6. The roller coaster moved at high speed and I was very _____________(excite).
7. Nowadays, we can take a ___________ (fly) to Taiwan.
8. I want to see an ___________(Australia) film with you tomorrow.
9. I really hope to go abroad for getting more traveling ____________ (经历).
10. The rain kept beating ____________ (撞，碰) the windows, and the little girl looked so sad.
11. Since Mo Yan won the Nobel Prize, he has become ____________（世界闻名的）.
【解析】
1. married
2. communication
