大学英语精读第二册教案1(15)

b) <derivative> security : n.

E.g. A good fire is a security against wild beasts.

二. Useful Phrases

1. pull out : leave; move away

E.g. The drive of the car pulled out from behind the truck.

2. bring back :

a) restore; cause to return

E.g. The fresh air in the mountain would bring back her strength.

b) cause (sth.) to be remembered

E.g. The music brings back happy memories.

3. clean up :

a) clean thoroughly ; remove and leave the place clean

E.g. Let me clean up the broken glass before someone walks on it.

b) remove wrong or dishonest activity from sth.; finish destroying or defeating (an enemy) E.g. The government promises to clean up the town by getting rid of all the criminals.

4. turn out : gather out of doors, esp in large numbers

E.g. Tens of thousands of people turned out for the rally.

5. in force :

a) (of people) in large numbers

E.g. Trouble was expected at the football match, so the police had to be there in force.

b) (of a rule, order, law, etc.) in effect or operation

E.g. When are they going to put the law in force?

6. much ado about (nothing) : a lot of noise or talk about sth.

E.g. Why are you making so much ado about it?

7. come to : become a matter about; concern

E.g. He is not good at sports, but when it comes to arithmetic he is the best in the class.

8. agree on : have the same opinion on

E.g. I agree with you on this point.

9. trail off / away : (voice, etc.) lose strength gradually until it stops completely

E.g. When he saw who had entered the room, his voice trailed off in fear.

10. end up : reach a final situation; come to an end

E.g. If you don't work hard, you'll end up nowhere.

三. Warm-up Questions and Introductory Remarks

1. Warm-up Questions

(1) What do you think threaten people's security nowadays?

---Crime, traffic accidents, natural disasters, incurable diseases, etc.

(2) What factors do you think might have caused the street crimes in America?

---The legal possession of guns by individuals, the suspension of capital punishment, i.e. death penalty, wide gap between the rich and the poor, etc.

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