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【单选题】
数据库系统与文件系统管理数据时的主要区别之一是( )A.
文件系统能实现数据共享,而数据库系统却不能
B.
文件系统不能解决数据冗余和数据独立性问题,而数据库系统可以解决
C.
文件系统管理的数据量庞大,而数据库系统管理的数据量较少
D.
文件系统只能管理程序文件,而数据库系统能够管理各种类型的文件
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【简答题】什么是限界?城市轨道交通限界有哪几种?
【单选题】Which route of administration is most likely to subject a drug to a first-pass effect?
A.
Intravenous
B.
Inhalational
C.
Oral
D.
Sublingual
E.
Intramuscular
【简答题】Through which is the surest route to profit?
【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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