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【多选题】
有下列情形之一的，《医疗器械经营企业许可证》由原发证机关注销：（）A.
医疗器械经营企业终止经营或者依法关闭的
B.
《医疗器械经营企业许可证》被依法撤销、撤回、吊销、收回或者宣布无效的
C.
企业质量管理人员变动的
D.
《医疗器械经营企业许可证》有效期届满未申请或者未获准换证的
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举一反三
【单选题】______ he will be able to finish the task remains a question.
A.
Which
B.
As
C.
Whether
D.
What..
【单选题】Which is true according to the passage?
A.
The shop was on the Second Road.
B.
The boy was 18 years old.
C.
The boy was not in high spirit.
D.
The writer entered the shop by chance.
【简答题】caused the accident remains unknown.（That/What）A. What
【单选题】_____ are League members. [ ]
A.
Both you and me
B.
Both you and I
C.
Both he and her
【简答题】梯度方向为目标函数的最速上升方向, 方向为目标函数的最速下降方向,梯度具有局部性质,“某点”的梯度是该点极小邻域的最速方向,梯度矢量是函数等值线(面)的 (法或切)矢量。
【单选题】Since he and I both work in the same hospital, I can hardly avoid ____ him.
A.
to meet
B.
to have met
C.
having met
D.
meeting
【简答题】What problem remains unsolved in the two Reconstructions? A) Differences between races are deliberately obscured. B) The blacks are not compensated for their unpaid labor. C) There is no guarantee for...
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