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【多选题】
the correlation coefficients between the component and the variable is related to ( ).A.
Standard deviation of the ith principal component
B.
Standard deviation of the kth variable
C.
Standard deviation of the kth principal component
D.
Standard deviation of the ith variable
E.
the principal component coefficient between and
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【单选题】As you are now a member of our society we shall let you ____ our secrets.
A.
into
B.
through
C.
to
D.
between
【单选题】When you come into our school yard, you will notice our beautiful school _____by green trees.
A.
surrounding
B.
surrounded
C.
to surround
D.
being surrounded
【简答题】的定义。
【单选题】If our store does not have the parts you need, you may order______through our Web site, and they will be shipped to you at no extra charge.
A.
it
B.
him
C.
them
D.
your
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