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【单选题】
下列关于子宫下段的叙述中,不正确的是A.
子宫下子宫峡部形成,非孕lcm
B.
临产后由于子宫收缩及回复的影响,峡部被拉长而形成子宫下段
C.
子宫下被产科医生选择为剖宫产术时子宫切开部位
D.
子宫下段的被动扩张段,随产程进展而越来越长越薄
E.
分娩受阻时,生理性缩复环上移达脐或脐上,形成病理性缩复环
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【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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