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【单选题】
Pearson 积矩相关系数的假设检验可用： 。A.
散点图直接观察法代替
B.
t 检验
C.
秩和检验
D.
卡方检验
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举一反三
【单选题】How is a blended family formed?
A.
A blended family is formed by two single-parent families.
B.
A blended family is formed by a nuclear family and a grandparent．
C.
A blended family is formed by a nuclear family and grandparents．
D.
A blended family is formed by two fatherless families.
【单选题】Aids is formed by joining the initial letters of the phrase acquired immune deficiency syndrome, this type of word formation is called________ .
A.
clipping
B.
blending
C.
acronym
D.
back-formation
【简答题】A word formed by derivation is called a______, and a word formed by compounding is called a______.
【单选题】根据桩基工程勘探点间距的规定，对端承桩和摩擦桩的勘探点间距分别要求为
A.
15m、130m
B.
12∽24m、130m
C.
125m、20∽35m
D.
12∽24m、20∽35m
【单选题】Why Meg let Jo keep her back out of sight?
A.
because Jo was shy
B.
becaue Jo had no ribbon
C.
there had burn and tear on the back of Jo's pop
D.
Jo loved to sit still
【单选题】根据桩基工程勘探点间距的规定,对端承桩和摩擦桩的勘探点间距分别要求为( )
A.
10 ∽ 15m; 15 ∽ 30m;
B.
12 ∽ 24m; 15 ∽ 30m;
C.
15 ∽ 25m; 20 ∽ 35m;
D.
12 ∽ 24m; 20 ∽ 35m.
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