He ws good studentnd scored ________verge in most subjects.belowB．ofC．onD．boveHe ws good studentnd scored ________verge in most subjects.below B．of C．on D．bove

EOs in the third prgrph Theyrebove theverge people in intelligence. B．They look down upon the ordinry people. C．Theyre overly confidentbout theirbilitiess the othersre. D．They cn do more mergers with their greter hubris.A．They are above the average people in intelligenceB．They look down upon the ordinary peopleC．They are overly confident about their abilities as the others areD．They can do more mergers with their greater hubris．

A.数量多，质量参次不齐
B.缺乏高质量的研究证据
C.没有按照国际通用的规则制定指南
D.没有采用GRADE系统对证据评价及推荐分级
E.受到医药公司的利益影响