he is not unconcerned by her sudden unemployment.\rThis claim is not unrealistic in view of a sharp decrease in the city's violent crimes.\rHis poor health is not unrelated to his unhealthy way of life.\rComprehensive Exercises\rI. Cloze\r1.\r1. Statistics 2. rural\r3. era 4. stood for\r5. on the latch 6. vulnerable\r7. barriers 8. electronic\r9. reflection 10.civilized\r2.\r1. tougher 2. liable\r3. shift 4. electric\r5. cautious 6. sophisticated\r7. thieves 8. break\r9. chances 10. signs\rII. Translation\r1.\r1). The Internet is changing the way people live, no matter whether they are in urban or rural\rareas.\r2). Medium-sized and small companies are more vulnerable to the threat of the global
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