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【多选题】
上消化道出血时,表现是呕血还是便血,取决于( )。A.
出血速度
B.
出血量
C.
出血部位
D.
出血时间
E.
胃蠕动速度
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举一反三
【单选题】In designing the Verrazano Bridge, Othmar Ammann ___.
A.
had time account the Curvature of the earth's surface
B.
spent over a year building the platforms that the bridge's base''
C.
had to consider the number of vehicles that might cross the bridge
D.
wished to reduce the size of the bridge as much as possible
【单选题】The Verrazano Bridge was built with so wide a span because__.
A.
it had to cover a wide stretch of water
B.
of the unusual shape of the earth around Brooklyn and Stands Island
C.
the water that lies between Brooklyn and Stands Island
D.
the number of wires in each cable is so great
【单选题】The Verrazano Bridge______ Brooklyn with Staten Island.
A.
attaches
B.
unifies
C.
links
D.
relates
【单选题】The Verrazano Bridge _____ Brooklyn with Staten Island. (l.8)
A.
attaches
B.
unifies
C.
links
D.
relates
【判断题】The use of non-removable backing is strictly restricted in welding production.
A.
正确
B.
错误
【单选题】The Verrazano Bridge,_______________the design of Othmar Ammann.
A.
is
B.
was
C.
were
D.
has been
【单选题】The Verrazano Bridge, _____ the design of Othmar Ammann. (l.8)
A.
is
B.
was
C.
were
D.
has been
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