The average time scientists must wait for access to a particle accelerator has declined over the last several years. If you think about it, the average waiting time to use the machine has nothing to do with the neither the research carried out using the machine or the publication later on. Further, B) talk about the last several years while the conclusion is about last year. So B) would not explain the sudden change to publications last year. -- by 会员 sdcar2010 (2012/3/31 20:26:45)
我觉得这个解释是最说的通的,另外我觉得B削弱程度小,E才是最能削弱 |