多选题 The discoveries made by Nobel Prize-winning geneticist Barbara McClintock considered to be among the major ______ of twentieth-century biological science.
【正确答案】 D、E
【答案解析】[解析] ●空格与discoveries(发现)同义重复。
●deliberation深思熟虑，regulation条例，suggestion建议，accomplishment成就，achievement成就，proposal建议。答案选DE。
●注：这里suggestion和proposal是干扰项，都是“建议”。