If you work for a medium-to large-scale company, 21are that you don't just wander in and out of work. You probably carry some kind of access card, 22 or otherwise, that allows you in and out of your place of work. Maybe the 23 guard at the front desk knows your face and will wave you in most days, but the fact remains that the business you work for feels 24 enough to keep outsider away vise these "keys."It wasn't always like this. Even a decade ago, most 25 businesses had a policy of free access. It simply didn't occur to manager that the 26 thing to do was to 27 people.Look at the airports. Parents used to take children out to 28 gates to watch planes land and take off. That's all 29 . Airports are no longer a place of 30 and fun; they are the most sophisticated of security sites.21.A) chancesB) chanceC) businessD) businesses22.A) electronicsB) electronC) electricityD) electronic23.A) securityB) secureC) securityD) secured24.A) threatenB) threateningC) threatenedD) threat25.A) privacyB) privateC) publicD) publicity26.A) totalB) bestC) properD) wrong27.A) trustfulB) trustingC) trustD) distrust28.A) departB) departureC) departmentD) departed29.A) goB) goneC) wentD) goes30.A) educateB) educatorC) educationD) educational

D) You should decide on the best choice and write the corresponding letter on the Answer Sheet And it has taken over. If you work for a medium-to large-scale company, 21are that you don't just wander in and out of work. You probably carry some kind of access card,  22    or otherwise, that allows you in and out of your place of work. Maybe the  23    guard at the front desk knows your face and will wave you in most days, but the fact remains that the business you work for feels  24    enough to keep outsider away vise these "keys."It wasn't always like this. Even a decade ago, most  25    businesses had a policy of free access. It simply didn't occur to manager that the  26    thing to do was to  27    people.Look at the airports. Parents used to take children out to  28    gates to watch planes land and take off. That's all  29   . Airports are no longer a place of  30    and fun; they are the most sophisticated of security sites.21.A) chancesB) chanceC) businessD) businesses22.A) electronicsB) electronC) electricityD) electronic23.A) securityB) secureC) securityD) secured24.A) threatenB) threateningC) threatenedD) threat25.A) privacyB) privateC) publicD) publicity26.A) totalB) bestC) properD) wrong27.A) trustfulB) trustingC) trustD) distrust28.A) departB) departureC) departmentD) departed29.A) goB) goneC) wentD) goes30.A) educateB) educatorC) educationD) educational