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【单选题】
Most researchers reported having pride in their institutions and passion for their work, but spoke of the high personal toll of their environment. Many accepted that pressure and long hours came with the territory. But researchers said that the situation was worsening and that the negative aspects were no longer offset by job security and the ability to work autonomously, flexibly and creatively.A.
Most researchers are substantially underpaid.
B.
Job security cannot cancel out adverse aspects.
C.
Most researchers have regular working hours.
D.
Scientists were no longer respected by the public.
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【简答题】运动对心血管疾病防治的作用包括改善（）、提高（）和其他间接效应。
【单选题】在确定涉及补价的交易是否为非货币性交易时,收到补价的企业,应当按照收到的补价占换出资产公允价值的比例等于或低于( )确定。
A.
0.15
B.
0.2
C.
0.25
D.
0.3
【单选题】在确定涉及补价的交易是否为非货币性交易时,应当按照补价占换出资产公允价值的比例来确定,如果该比例等于或低于25%,即为非货币性交易,如果该比例大于25%即为货币性交易。( )
A.
正确
B.
错误