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【单选题】
关于过氧化氢等离子灭菌，下列哪项描述是错误的：()A.
灭菌温度为40-50摄氏度
B.
灭菌物品不得接触灭菌腔内壁，灭菌物品装载高度距腔体顶端8cm
C.
每次灭菌循环尽量灭菌同一类物品，勿将物品混装
D.
灭菌物品必须充分干燥，使用专用包装材料和容器
E.
不宜用纸类、布类
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皮皮学刷刷变学霸
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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