根据以下材料，回答1-20题
Working out exactly what students and taxpayers get for the money they spend on universities is a tricky business.Now the Organization for Economic Co-operation and Development (OECD) is planning to make the 1 a bit easier, by producing the first international 2 of how successfully universities teach.
" 3 assuming that because a university spends more it must be better, or using other proxy measures for 4 , we will look at learning outcomes", explains Andreas Schleicher, the OECD's head of education research.Just as the OECD 5 primary and secondary education by testing 6 chosen groups of youngsters from each country in reading and mathematics, it will 7 university students to see what they have learned.8 enough universities are taking part, it may publish league tables showing where each country 9 ,just as it now does for compulsory education.
The OECD plan 10 approval from an education ministers' meeting in January.The first 11 are planned by 2010.They will be of interest not just as a guide for shoppers in the global market, but also as 12 of performance in domestic markets.They will help academics wondering whether to stay put or switch jobs, students 13 where to spend their time and money, and 14 university bosses who want a sharper competitive 15 for their institution.
The task the OECD has set itself is 16 .In many subjects, such as literature and history,the syllabus 17 hugely from one country, and 18 one campus, to another.But OECD researchers think that problem can be 19 by concentrating on the transferable skills that employers 20 ,such as critical thinking and analysis, and testing subject knowledge only in fields like economics and engineering, with a big common core.
第13题答案是

A studying

B arranging

C emphasizing 

D choosing