Unit 3 Security课件1.pptVIP

Unit 3 Security The Land of the Lock by Bob Greene No one picked up and pocketed anything lost on the road, while no family had the need to bolt the doors at night 路不拾遗，夜不闭户 War 911 On the morning of September 11, 2001, 19 Islamic extremists hijacked four commercial passenger jet airliners. Two of the airliners were crashed into the World Trade Center in New York City. A 3rd airliner was crashed into the Pentagon. The 4th aircraft crashed into a field in rural Somerset County, Pennsylvania. In addition to the 19 hijackers, 2,973 people died; another 24 are missing and presumed dead. Crime Gunshot Fight Burglary Some Security Measures in Ancient Time The Great Wall What is the original reason to build The Great Wall? Castle Built in places where they could be easily defended. Usually surrounded by a protective moat. Airport Security Strengthened after the terrorist attacks on September 11, 2001 Lock dead-bolt locks security chains electronic alarm system strip wires sliding glass doors with steel bars access cards electronic X-ray equipment electronic friskers high-intensity light rape whistles 防盗门 防护链 电子报警系统 触发式报警器 装有钢条的玻璃滑门 通行卡 电子透视装置 电子搜查器 强光源 防暴口哨 Crime Prevention: You may discuss the following questions with your partners. How to protect yourself while walking at night? (see Safe Tips) How to protect your family from burglaries? How to protect yourself when using a bank’s automated teller machine? Avoid walking or running alone at night. Always walk in well-lighted areas. Avoid the use of short cuts. Keep away from large bushes or doorways where someone could be lurking. If someone in a vehicle stops and asks for directions, answer from a distance. Do not approach the vehicle. If followed, go immediately to an area with lights and people. If needed, turn around and walk in the opposite direction. While-reading Tasks Interpret the title The Land of the Lock in your own words in English. Scan the text and underline se