Strictly speaking, there should be a clear （）between dictionaries and encyclopedias. A.boundaryB.limitC.edgeD.limitation 正确答案：boundary

The map was drawn to the standard （）of 1 to a million, so there was not much detail. A.ratioB.scaleC.percentageD.rate 正确答案：scale

In the busy holiday season, extra buses are provided to （）the existing service. A.complementB.complimentC.supplementD.implement 正确答案：supplement

This scandal was all the more alarming because the companies involved in were mostly trusted （）names and the perpetrators were their top executives. A.entertainmentB.householdC.vulnerableD.nasty 正确答案：household

Because the road was being repaired, barriers were （）to prevent people from driving in that area. A.played upB.closed upC.put upD.picked up 正确答案：put up

The electronics giant Philips is working on technology that will （）the next generation of mobile phones into miniature video stores and music libraries, Britain‘s i New Scientisti0　says in last Saturday issue. A.transformB.endureC.heaveD.disguise 正确答案：transform

He is serving a 13-year （）sentence for smuggling explosives. A.salvationB.jailC.civilD.whip 正确答案：jail

Pfizer‘s（美国辉瑞公司的）patent in China, which is valid until 2014, could bar （）producers from a market worth around 200 billion Yuan. A.vulnerableB.domesticC.diligentD.pessimistic 正确答案：domestic

Luck is on investigators‘ minds, too. With scant（不足的）leads, （）of previous serial-killer manhunts（追捕）say police may have to wait to get lucky. A.veteransB.suspectsC.dwellersD.friskers 正确答案：veterans

（）, if he doesn‘t learn he knows nothing. A.A man is ever so cleverB.Be a man ever so cleverC.So clever as a man ever isD.No matter how a man is clever 正确答案：Be a man ever so clever

Most parents encourage their children to take an active part in social events, （）those events do not interfere with their studies. A.so thatB.lestC.unlessD.provided 正确答案：provided

（）the dog was the first animal to be domesticated is generally agreed upon by authorities in the field. A.UntilB.It wasC.WhatD.That 正确答案：That