题目内容:
WhatdoesLessigthinkoftheopen-accesssystem?
A.Taxpayershavetopayasmuchasusual. B.Thecostsdependontheresearchresults.
C.Thecostswillbeconsiderablyreduced.
D.Publishingwillbemademucheasier.
参考答案:
答案解析: