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【多选题】
从一张单纯形表中可以看出的内容有()。A.
一个基可行解
B.
当前解是否为最优解
C.
线性规划问题是否出现退化
D.
线性规划问题的最优解
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【简答题】何为考古遗存？
【单选题】–_______ is it from Leshan to Chengdu? –I’m not sure, but it takes about two hours to get there by bus.
A.
How soon
B.
How far
C.
How fast
【单选题】----There is no more than one washing machine of that kind left in the shop. What about going and buying ____? ----No, I prefer to find _____ in other supermarkets.
A.
it; it
B.
one; it
C.
it; one
D.
one; one
【简答题】判断考古遗存年代的方法？
【单选题】A design in which a single group of subjects is exposed to a treatment (X), and then a single measurement on the dependent variable is taken (O1、is called a(n、________.
A.
factorial design
B.
multiple time series design
C.
posttest-only control group design
D.
one-shot case study
E.
alternative group design
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