全新版大学英语(第二版)综合教程3答案Unit3-Unit4.doc

Unit 3 P63 After Listening 1. visit the White House/take the White House tour 2. ran away up the hill with her purse/snatched her purse and ran away. 3. handed her Susan’s purse 4. live in safety. P68 Comprehension Content Questions Pair Work 1. No. 2. No. 3. It has been replaced by an era when employ various security devices at home. / It has been replaced by an atmosphere of fear and distrust. 4. Small notices announcing that the premises are under surveillance by this security force or that guard company. 5. The insurance company tries to impress the public that it will ensure your safety by paying for your losses. 6. An atmosphere of fear and distrust. 7. Because they feel threatened and want to keep outsides away. 8. No. They are by now the most sophisticated of security sites. 9. It is a way to hold the terrorists, real and imagined, at bay. 10. To tell whether their friend or client is telling lies. 11. All is done in the name of “security”. But according to the author, America, with all this “security”, is perhaps the most insecure nation in the history of civilization. 12. We may have locked the evils out, but in so doing we have locked ourselves in. P69 Working on Your Own 1. Parts Paragraphs Main Ideas Part One Paras. 1-3 In American, 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 has crept into every aspect of daily life. As a result, security devices, in varied forms, are put to use. Part Three Paras. 16-19 In locking our fears out, we become prisoners of our own making. 2. 1) 2) Dead-bolt locks, security chains, electronic alarm systems and trip wires are widely in use. 3) Suburban families have steel bars built in sliding glass doors. 4) Small notices warning against burglary are commonly seen pasted on the windows of the most pleasant of homes. 5) Access cards are required of those who work with medium to large-size companies. 6) Ai