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4 简述差异(变异)系数的用途
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举一反三
【简答题】在谓词推理过程中，如一个变量是用规则ES 消去量词，对该变量在添加量词时，则只能使用规则_____?(只能填写US\ES\UG\EG这四种)
【单选题】定义： (1)寻根文学：以“文化寻根”为思想艺术追求的文学现象和文学种类。 (2)伤痕文学：暴露内心伤痕和经历的文学思潮。 (3)反思文学：站在历史高度对过去进行反思的文学思潮。 典型例证： (1)阿城的《棋王》。 (2)刘心武的《班主任》。 (3)戴厚英的《人啊人》。上述典型案例与定义存在对应关系的数目有（ ）。
A.
0个
B.
1个
C.
2个
D.
3个
【单选题】Choose the option that correctly orders the numbered sentences from most to least certain.
A.
3, 2, 5, 4, 1
B.
3, 5, 1, 2, 4
C.
2, 3, 4, 1, 5
D.
2, 3, 5, 1, 4
【单选题】At least ______ points of details may be listed in the above incomplete least.
A.
3
B.
4
C.
5
D.
6
【单选题】Choose the food with least water per 100 grams.
A.
fresh hazel
B.
milk powder
C.
fresh pistachio
D.
stout
【单选题】Read the article below about the role of executive recruitment agencies. Choose the best sentence from the opposite page to fill each of the gaps. Do not use any letter more than once. Issues in the r...
A.
Although others may put it lower, it is important to remember that the company's reputation is not based on market share alone.
B.
Their chief worry is that the headhunters can now make or break managerial careers.
C.
According to Edwards, this is a further indication that the way Pinnacle searches for a candidate tends to favour a certain type of manager.
D.
But this acceptance does not mean they are universally happy, either with the state of the market or with Pinnacle's role within it.
E.
Until a few years ago, even the biggest companies were unlikely to use headhunters to fill more than one or two jobs a year.
F.
Edwards objects to this suggestion, claiming that all he does is find candidates and encourage them to apply for a particular post.
G.
A number of big investment banks recently decided to make changes to their management boards after disappointing end-of-year results. (8)
【单选题】Data are expressed as the mean ± standard error (SE) from at least three separate experiments performed in ( ).
A.
triplication
B.
triple
C.
triples
D.
triplicate
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