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【单选题】
9%氯化钠溶液属于A.
高渗溶液
B.
低渗溶液
C.
等渗溶液
D.
溶液
E.
低张溶液
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举一反三
【简答题】语法9. When _________(ask) about the secret of his success, Steven Spielberg said that he owes much of his success and happiness to his wife and children.
【简答题】People attribute much of his success to his powers of imagination. Much of his success __________ his powers of imagination. (credit)
【单选题】Much of his success ____ his powers of imagination.
A.
is contributed to
B.
is credited to
C.
is approved by
D.
is caused by
【单选题】As a salesman, much of his success comes from being what his customers want.
A.
in competition with
B.
in contrast with
C.
in company with
D.
in tune with
【简答题】具有下列化学结构的药物是（ ）
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