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【单选题】
The three Nobel Prize winners were awarded for they uncovered
A.
the changes of oxygen level in cells
B.
how cells respond to changes in oxygen levels
C.
the oxygen availability of cells
D.
the genetic mechanism of cells
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】It was the forearm they uncovered which______.
A.
required the most delicate work
B.
indicated the age of the man
C.
told them something about the man's clothes
D.
led them to discover the fingernails
【判断题】The archaeologists worked slowly. Examining and labeling every pottery shard they uncovered.
A.
正确
B.
错误
【多选题】党的十八大以来多名落马高官的贪腐细节二无论是李春城感慨“人生都是现场直播,没有办法重来”,还是吕锡文坦言“我是真的后悔死了”,他们身陷图圈的忏悔之词,不仅是在提醒各级干部“此路不通”,更像是一面镜子,让所有党员看清楚
A.
干部在政治上出问题,对党的危害不亚于腐败问题
B.
不做“政治上的明白人”,迟早会有“脱相”的那一天
C.
不讲政治,犹如蒙眼走路
D.
在政治上可以“松宽软”
【单选题】We uncovered numerous explanations for the undesirable effects of working on students’ engagement in school except____
A.
they have less time to devote to school assignments
B.
they get too tired from work to study
C.
they view school more rewarding
D.
they take drugs and use alcohol more often than non-working students