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【单选题】
关于渗透泵型控释制剂，错误的叙述为A.
渗透泵片是由药物、半透膜材料、渗透压活性物质和推动剂等组成
B.
渗透泵型片的释药速度与pH有关
C.
渗透泵型片的释药速度与半渗透膜的厚度、渗透性、片芯的处方、释药的直径有关
D.
渗透泵型片以零级释药
E.
渗透泵型片剂工艺较难，价格较贵
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【单选题】It was quite a serious accident, _____ caused by careless driving.
A.
which I think was
B.
I think which was
C.
which I think it was
D.
I think which it was
【简答题】商场里的人多极了!不过,我们没花多少时间就买完了东西。
【单选题】He made another wonderful discovery, _______ of great importance to science.
A.
which I think
B.
which I think it
C.
which I think is
D.
I think which is
【单选题】This is the book I bought yesterday , ______I spent 8 yuan .
A.
on which
B.
for which
C.
in which
D.
at which
【单选题】It was a serious mistake, ______ caused by carelessness.
A.
which I think was
B.
which I think it was
C.
I think which was
D.
that I think it was
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