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【判断题】
if语句的表达式可以是任何表达式。A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
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【单选题】保管无菌物品哪项是错误的
A.
无菌物与非无菌物应分别放置
B.
无菌包必须注明灭菌日期
C.
已打开的无菌包未用完，可在48h内有效
D.
已打开的无菌包，必须注明开包时间
【单选题】The pressure difference before and after the lube oil filter indicates ______ the filter should be cleaned.
A.
when
B.
how
C.
where
D.
whether
【简答题】The whole story reflects the psychological truth of the American people before and after the______.
【单选题】保管无菌物品哪项是错误的
A.
无菌物与非无菌物应分别放置
B.
无菌包必须注明灭菌日期
C.
打开的无菌包，48小时后必须重新灭菌
D.
取出的无菌敷料不得再放回无菌容器内
E.
无菌物品应放在清洁干燥固定的地方
【单选题】保管无菌物品哪项是错误的
A.
无菌物与非无菌物应分别放置
B.
无菌包必须注明灭菌日期
C.
打开过的无菌包，48小时后必须重新灭菌
D.
取出的无菌敷料不得再放回无菌容器内
E.
无菌物品应放在清洁干燥固定的地方
【单选题】The two maps below show an island before and after the construction of tourist facilities.
A.
The maps present the plan of an island both before and after tourism development took place.
B.
The maps present the plan of an island at two different times.
C.
The pictures present the plan of an island both before and after tourism development took place.
【单选题】One study conducted by a psychologist(121)of interviewing workers before and after the installation of a robot. The robot was used to control a matching process of stamping and assembling metal parts....
A.
Of
B.
consisted
C.
for
D.
being
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