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【简答题】
一种混杂的小麦品种，株高的标准差为σ 0 =14cm，经提纯后随机抽取10株，它们的株高(以cm计)为 90 105 101 95 100 100 101 105 93 97 考察提纯后群体是否比原群体整齐?取显著性水平α=0.01，并设小麦株高服从N(μ，σ 2 )。
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【简答题】To date there is no e______ to support this theory.
【单选题】It is reported that there is no better ______ for mother's milk.
A.
alternative
B.
exchange
C.
equivalent
D.
substitute
【简答题】In fact, there is no e 11 difference between those who work with their hands and those who work with their m 12 .
【单选题】The argument against Bowlby's conclusion shows that______.
A.
there is no negative delayed effect on infants who go to school before three
B.
there is long-term effect on infants who go to school before three
C.
children who are sent to school before three are subject to mental illness
D.
children have problems with day care
【单选题】There is no I in T E AM. " 49
A.
It’s not a simple matter to determine the nature of talent.
B.
Sports team owners spend millions of dollars at t racting top talent
C.
The group interaction and its effect drew the researchers’ attention.
D.
Stars apparently do not follow this basi c principle of sportsmanship.
E.
Several recent studies examined the role of talent in the sports world.
F.
Building up a dream team is more complex than simply hiring the best talent.
G.
This task interdependence distinguishes baseball from football and basketball..
【简答题】There is no ________ to there house from the main road. A) access B) avenue C) exposure D) edge
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