《大学英语》全新版第三册Unit 3.ppt

Unit 3 Security Oral Practice What is important when you go for a holiday trip? Booking the tickets cash credit card Finding the favorite companions Safety confirmation . . . Oral Practice How to protect yourself when you live alone? Lock the door Getting the security office’s tel number Alarm equipment Weapons at home . . . Oral Practice What should we do first of all when the wallet was lost? go for the police Searching around go to banks call relatives . . . THE LAND OF THE LOCK Bob Greene “ON THE LATCH”There is a similar old saying in China 路不拾遗，夜不闭户 No one picked up and pocketed anything lost on the road, while no family had the need to bolt the doors at night. Please scan the whole text in 7 mins and recall the key words related to the context “lock” is one of the keywords in this text, by locating “lock” throughout the text, we get a pretty good idea of what this essay is about. What types of security methods has mentioned in the text? Could you find them out? “LOCKS” Part 1 True or False 1. The phrase “on the latch” means the door is closed and locked. ( ) 2. Nowadays, doors, not only in cities but also in rural areas, are locked. ( ) 3. Urban streets are more dangerous than outskirts and country areas.( ) 4. In America nowadays, no one leaves his front door on the latch anymore. ( ) Keys: F, T, F, T Part 2 Supporting Facts for the Central Idea In this text the author uses lots of facts to support his central point of view: America is deteriorating from “the Land of the Free” into “the most insecure nation”. Could you find any more supporting facts? Reference on Text Organization practice on page78. Doors are not left unlocked either in cities or in rural areas. (para2) Dead-bolt locks, security chains, electronic alarm systems and trip wires are widely in use. (para4) Suburban families have steel bars built in sliding glass doors. (para4) Small notices warning against burglary are commonly seen pasted o