51 Nigel Nelson, a 33-year-old naturalized American citizen, married with two sons living in Manhattan, New York, was arrested because he was found setting up a car bomb near bustling Time Square with an attempt to kill dozens of his fellow countrymen. The capture of Mr. Nelson has indicated the emergence of                , one that worries the police.
(A) drug trafficking
(B) armed robbery
(C) domestic violence
(D) home-grown terrorism

47 (A) first (B) second (C) third (D) fourth

48 (A) as if (B) even though (C) except for (D) or else

49 (A) address (B) identify (C) order (D) evaluate

50 Police: Please put your carry-on bag on the conveyor belt. Mr. Jackson: Do I also need to put my personal electronic devices into the bin? Police: Yes, please do.                (A) Put your luggage on the scale. And give me your passport and ticket. (B) What is the purpose of your visit? Do you have anything to declare? (C) Passengers on Flight BA910 to Seoul, please proceed to Gate 13 for boarding. (D) Now take off your shoes and any metal accessories. And then walk through the metal detector, please.

52.             has been a rampant crime occurring transnationally. Many young women in distress from East Europe have been taken abroad to more affluent countries in West Europe and forced into prostitution. (A) Human trafficking (B) Smuggling (C) Vandalism (D) Hijacking

53 Since prison is not the solution to reducing crime rates, researchers have developed                 to assist justice agencies to identify and manage likely offenders who might be violent toward others. (A) social reintegration schemes (B) risk management tools (C) community corrections (D) drug treatment programs

54 In order to increase the efficiency of the police force, many               systems have been employed. One of these systems involves efficient handling of the database of driver’s licenses. This system can issue driver’s licenses daily, prevent the false acquisition of the licenses and enforce administrative punishment of those who have traffic violations and so on. (A) forensic engineering (B) information management (C) copyright infringement (D) restraining order

55 A ________ system combining wireless, database, and applications technologies has been set up to assist the police in decreasing paperwork, increasing data accuracy, sharing knowledge and information and even providing a problem solving kit. (A) police cruiser (B) handgun holster (C) camouflage uniform (D) mobile information

56 In recent years, people have paid much attention to the high frequency of                 . This involves the use of the Internet to create public turmoil and death threat, some of which even lead to the demolishment of a nation’s economic and technological infrastructure. (A) email hacking (B) internet fraud (C) cyberterrorism (D) child pornography

57 The National Immigration Agency has utilized information technology such as Advanced Passenger Information System (APIS) and Advanced Passenger Processing System (APPS) to monitor the likely appearance of suspected travelers and other restricted passengers in order to safeguard our national territory and               . (A) border security (B) crime scene (C) emergency management (D) secret service