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【单选题】
正常人血浆钙、磷浓度的乘积等于( )A.
20-30
B.
31-40
C.
35-40
D.
41-50
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举一反三
【单选题】We will arrive at the cinema in ten minutes _____ there isn't too much traffic in the street. [ ]
A.
till
B.
though
C.
before
D.
if
【单选题】All the following can damage hearing EXCEPT______.
A.
excessive noise
B.
too much moderate noise for a long time
C.
intense noise for even a short time
D.
moderate noise for a short time
【单选题】—There is much in the classroom. —Yes, it is too . [ ]
A.
noise; noise
B.
noisy; noisy
C.
noisy; noise
D.
noise; noisy
【单选题】So many people violate traffic regulations that we ____ put too much emphasis on the importance of traffic safety.
A.
must not
B.
should not
C.
need not
D.
cannot
【单选题】------Don’t drive so fast please. There is _________traffic at this time of the day.
A.
much too
B.
too much
C.
many too
D.
too many
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