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【多选题】
肛门栓具有以下特点（）A.
可通过直肠给药并吸收进入血液而起到全身作用
B.
药物可不受胃肠酸碱度和酶的影响
C.
栓剂塞入直肠较深处(6cm)，药物吸收可避免首过效应
D.
在体温下可软化或融化
E.
粪便的存在有利于药物吸收
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举一反三
【单选题】Were I to do it, I _____it some other way.
A.
would do
B.
will do
C.
would have done
D.
were to do
【简答题】确定如下无穷小的阶n：当x→0时， 与(x-1) n 为同阶无穷小，则n=?
【单选题】Were I to do it, I ______ it some other way.
A.
will do
B.
would have done
C.
would do
D.
were to do
【单选题】Were I to do it, I ___ it some other way.
A.
will do
B.
would do
C.
would have done
D.
were to do
【简答题】当x→0 + 时， 和 哪一个与x为同阶无穷小?哪一个是比x低阶的无穷小?是否有x的等价无穷小?
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