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【单选题】
车削加工圆弧时,由于刀尖圆弧半径的存在,加工会发生误差,解决的办法是使用( )指令。A.
G00
B.
G41/G42
C.
G90
D.
G91
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反馈参考答案：
举一反三
【简答题】什么是限界?城市轨道交通限界有哪几种?
【多选题】The bioavailabe fraction of drug by oral route is determined by
A.
the fraction of drug absorbed from the gastrointestinal tract
B.
the fraction of drug that escapes metabolism of first pass effect
C.
dose of administration
D.
dosage form
【单选题】Which route of drug's bioavailability is the lowest?
A.
intravenous
B.
intramuscular
C.
sublingual
D.
oral
【多选题】What will be considered when the drug manufacturer wants to compensate for the first-pass effect of drug by oral route?
A.
select another drug
B.
other routes
C.
dosage
D.
metabolites
【单选题】Which kind of route of drug admininstration is the most improtant method of administrating drugs for systemic effects?
A.
oral route
B.
parenteral route
C.
topical route
D.
vaginal route
【单选题】Which route of drug administration is affected by first-pass elimination?
A.
Inhalation
B.
Oral
C.
Sublingual
D.
Intravenous
E.
Subcutaneous
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