Unit 1 Internet Crime Ⅰ. Warm-up Ⅱ. Conversations Ⅲ. Reading Activities Passage 1 Hackers Passage 2 Cyber Police in Shenzhen to Curb On-line Crimes Unit 2 Anti-terrorism Ⅰ. Warm-up Ⅱ. Conversations Ⅲ. Reading Activities Passage 1 Police Offer a 50, 000-Yuan Reward for Explosion Suspect Passage 2 Anti-terrorism Should Not Allow Double Standards Unit 3 Crime Reporting Ⅰ. Warm-up Ⅱ. Conversations Ⅲ. Reading Activities Passage 1 An Amnesiac Was Found in the Center of Oslo Passage 2 Man Finds Bag, Gets $ 25, 000 Reward Unit 4 Battle Against Drugs Ⅰ. Warm-up Ⅱ. Conversations Ⅲ. Reading Activities Passage 1 Battle against Drugs in China Passage 2 Treatment and Rehabilitation Unit 5 Public Order Control Ⅰ. Warm-up Ⅱ. Conversations Ⅲ. Reading Activities Passage 1 Bush Watch Passage 2 Unruly Passenger may Pay Bill Unit 6 Patrol, Inquiry and Interrogation Ⅰ Warm-up Ⅱ. Conversations Ⅲ. Reading Activities Passage 1 Police Patrol Officers Passage 2 The Interrogation Technique Can Result in False Confession Unit 7 International Criminal Offence Ⅰ. Warm-up Ⅱ. Conversations Ⅲ. Reading Activities Passage 1 Death Penalty: The Only Justice for Killers? Passage 2 The Liar Unit 8 Traffic Control Ⅰ. Warm-up Ⅱ. Conversations Ⅲ. Reading Activities Passage 1 Safety Features Designed to Cut Pedestrian Deaths Passage 2 Buckle Up Your Child for Safetys Sake Unit 9 Entry and Exit Control Ⅰ. Warm-up Ⅱ. Conversations Ⅲ. Reading Activities Passage 1 Security Needs Push Technology Passage 2 Tighter Controls Urged for Illegal Wildlife Trade Unit 10 Security Cheek Ⅰ. Warm-up Ⅱ. Conversations Ⅲ. Reading Activities Passage 1 Work on Security for the 2008 Olympics Passage 2 World Cup security Gives Terror Priority Unit 11 Fire Fighting I. Warm-up Ⅱ. Conversations Ⅲ. Reading Activities Passage 1 Forest Fire Fighting Technology Passage 2 Fire Devil Destroyed Homes Unit 12 Environmental Protection Ⅰ. Warm-up Ⅱ. Conversations Ⅲ. Reading Activities Passage 1 Ecotourism Takes Toll on Wildlife Passage 2 Towering California Redwood Named Worlds Tallest Tree Vocabulary Appendix Ⅰ Rare Animals in China Appendix Ⅱ Rare Plants in China Appendix Ⅲ Chinese Police Ranks Appendix Ⅳ Commonly Used Police Firearms Appendix Ⅴ Common Drugs