成都信息工程大学（成都信工学院）：《大学英语》PPT教学课件（第三册）Unit 3 Background

Unit s ●●●●● ●●●● ●●。●●

Unit 3 security

帝 The land of the Lock N B-016 国图B 46 ②E mA园

The Land of the Lock

Objectives o 1. grasp the main idea( america is deteriorating into the most insecure nation") and the structure of the text( opening body -conclusion 2. learn to use comparison and contrast in writing more effectively and to use keywords for more eficient reading .3. master the key language points and grammatical structures in the text

Objectives ⚫ 1. grasp the main idea ( America is deteriorating into “the most insecure nation” ) and the structure of the text ( opening – body – conclusion ). ⚫ 2. learn to use comparison and contrast in writing more effectively and to use keywords for more efficient reading. ⚫ 3. master the key language points and grammatical structures in the text

Background a Violent crimes robbery, aggravated assault, hijack, forcible rape, murder, bombing kidnapping, shooting Property crimes arson, burglary, larceny-theft, fraud, motor / vehicle theft a Neighborhood Watch in Britain, there is an arrangement by which people who live in a particular street or area watch each other's houses and tell the police if they see anything suspicious. Many people have formed local Neighborhood Watch groups to try to prevent crime, but others have refused to join them because they do not like the idea of being watched by their neighbors

Background ◼ Violent crimes robbery, aggravated assault, hijack, forcible rape, murder, bombing, kidnapping, shooting ◼ Property crimes arson, burglary, larceny-theft, fraud, motor / vehicle theft ■ Neighborhood Watch in Britain, there is an arrangement by which people who live in a particular street or area watch each other’s houses and tell the police if they see anything suspicious. Many people have formed local Neighborhood Watch groups to try to prevent crime, but others have refused to join them because they do not like the idea of being watched by their neighbors

STRUCTURE Parts Paragraphs Main Idea In America, the era of leaving Part one Paras 1-3 the front door on the latch has drawn to a close A new atmosphere of fear and distrust creeps into every Part TWO Paras 4-15 aspect of daily life. As a result security devices, in varied forms are put to use By locking our fears out, we Part Three Paras 16-19 become prisoners of our own making

Parts Paragraphs Main Idea Part One Paras 1-3 In America, the era of leaving the front door on the latch has drawn to a close. Part Two Paras 4-15 A new atmosphere of fear and distrust creeps into every aspect of daily life. As a result, security devices, in varied forms, are put to use. Part Three Paras 16-19 By locking our fears out, we become prisoners of our own making. STRUCTURE

l。 on the latch (of a door )closed but not locked eg. Let yourself in the door is 如果我回来之前你要睡了的话,把门掩上就行了 If you go to bed before I come back, please just leave the door 2. close up shut( sth )esp temporarily eg. I'm thinking about closing up my store and going on vacation 除夕夜时所有的商店都关门了 On the New Year's Eve all the stores were closed up close-up n.特写

1. on the latch ( of a door ) closed but not locked eg. Let yourself in ; the door is ~~. 如果我回来之前你要睡了的话,把门掩上就行了。 If you go to bed before I come back, please just leave the door ~~. 2. close up shut ( sth. ) esp. temporarily eg. I’m thinking about closing up my store and going on vacation. 除夕夜时所有的商店都关门了。 On the New Year’s Eve all the stores were closed up . close-up n. 特写

3. rural adj. of, in or suggesting the countryside eg. In w areas, crimes, especially robberies, occur quite often (com )rustic adj ①= rural乡村的,有乡村特色的 ②粗俗的,乡土气的 (antonym) urban adj. of, situated in or living in a city or town城市的,都市的 urban rural suburban down-town ruralize v live in the country ruralization n

3. rural adj. of, in or suggesting the countryside eg. In ~~ areas, crimes, especially robberies, occur quite often. (com.) rustic adj. ① = rural 乡村的，有乡村特色的 ② 粗俗的，乡土气的 (antonym) urban adj. of, situated in or living in a city or town 城市的，都市的 ruralize v. live in the country ruralization n. rural suburban urban down-town

4. vulnerable adj. exposed to danger or attack; unprotected (地点事物)有弱点的,易受攻击的 (人,情绪)脆弱的,敏感的 eg. We're in a position, thus the enemy can get us easily from the above She looked so o that everyone wanted to protect her 5。 urban adi of. situated in or living in a city or town urbanize v.使..都市化 urbanization n.都市化

4. vulnerable adj. exposed to danger or attack; unprotected （地点,事物）有弱点的,易受攻击的 （人,情绪）脆弱的,敏感的 eg. We’re in a ~~ position, thus the enemy can get us easily from the above. She looked so ~~ that everyone wanted to protect her. 5. urban adj. of, situated in or living in a city or town urbanize v. 使 … 都市化 urbanization n. 都市化

6. statistics n. collection of information expressed in numbers eg. The wn on unemployment given by the central government show that economy has been recovering all over the country statistic n.单个的统计数值 statistician n.统计学家 statistical adj.统计(学)的 statistically adv 7. tranquil adj. calm, quite and undisturbed eg. Visitors like to stay in this hotel for its surroundings

6. statistics n. collection of information expressed in numbers eg. The ~~ on unemployment given by the central government show that economy has been recovering all over the country. statistic n. 单个的统计数值 statistician n. 统计学家 statistical adj. 统计(学)的 statistically adv. 7. tranquil adj. calm, quite and undisturbed eg. Visitors like to stay in this hotel for its ~~ surroundings