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【单选题】
正常二尖瓣口面积为（）A.
1～2cm 2
B.
2～3cm 2
C.
3～5cm 2
D.
4～6cm 2
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【单选题】In my opinion, the beauty of a person should be measured ______ one’s personality rather than one’s appearance.
A.
on account of
B.
in favor of
C.
in terms of
D.
by means of
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【单选题】In one's lifetime, if fortunate, one is likely to be blessed by the friendship of another person ________ existence can be a great inspiration.
A.
whose
B.
which
C.
who
D.
whom
【单选题】The author's attitude toward the opinion held by Card and DiNardo is one of
A.
reserved consent.
B.
strong disapproval.
C.
slight contempt.
D.
enthusiastic support.
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