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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【多选题】关于围护结构权衡判断的描述正确的有( )
A.
使用时对围护结构热工参数没有任何前提条件限制
B.
使用时对围护结构热工参数有前提条件限制
C.
以模拟计算的建筑能耗值为判断依据
D.
是实际产生的建筑能耗值为判断依据
【单选题】The topic of cloning has been a politically and ethically controversial one since its very beginning. While the moral and philosophical aspects of the issues are entirely up to the interpretation of t...
A.
argue in favor of one side on a particularly controversial topic of cloning.
B.
display both sides’ arguments on another contentious issue in cloning.
C.
redirect the readers’ attention to the previously raised issue of ethics in cloning.
D.
provide further relevant information to the evaluation of cloning as a preservation technique.
【多选题】下面对赢得值法评价指标叙述正确的是( )。
A.
费用偏差=已完工作预算费用-已完工作实际费用
B.
当费用偏差为正值时，表示运行超出预算费用
C.
当进度偏差为负值时，表示进度延误
D.
当费用绩效指数＜1时，表示节支
E.
当进度绩效指数＞1时，表示进度提前