皮皮学,免费搜题
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搜题
【单选题】
芒硝的功效是
A.
泻下通便.清肝.杀虫
B.
泻下通便.行水消胀
C.
泻下逐水,杀虫
D.
行气利水,杀虫
E.
泻热通便.润燥软坚,淸火消肿
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举一反三
【单选题】由或非门构成的基本RS 触发器的约束条件为:
A.
RS=1
B.
RS=0
C.
R+S=1
D.
R+S=0
【单选题】Her parents don't want_____married.
A.
her to get
B.
her get
C.
that she get
D.
that she gets
【单选题】或非门构成的基本RS触发器的约束条件为( )。
A.
RS=0
B.
R+S=1
C.
RS=1
D.
R+S=0
【单选题】由或非门组成的基本RS触发器的约束条件为( )
A.
R D + ` S D =1
B.
R D ` S D =1
C.
R D S D =0
D.
R D +S D =0
【单选题】Her parents are strict with her and they don't allow her __ out late. [     ]
A.
stay
B.
stayed
C.
staying
D.
to stay
【单选题】由与非门构成的基本RS 触发器的约束条件为:
A.
RS=0
B.
RS=1
C.
R+S=0
D.
R+S=1
【单选题】Her parents ________ lunch at home.
A.
doesn’t have
B.
haven’t
C.
hasn’t
D.
don’t have
【单选题】Mary’s parents hope she will become an outstanding pianist and they don’t ________her to go out with her friends even on weekends.
A.
agree
B.
permit
C.
approve
D.
suggest
【单选题】两个与非门构成的基本 RS 触发器的约束条件为( )。
A.
R+S=1
B.
R+S=0
C.
R·S=1
D.
R·S=0
【单选题】基本RS触发器的约束条件为( )。
A.
S非+R非=0
B.
S*R=0
C.
S非*R非=0
D.
S+R=0
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