【单选题】关于药物制成混悬剂条件不正确表述是
B.
药物的剂量超过溶解度而不能以溶液剂形式应用时
C.
两种溶液混合时药物溶解度降低而析出固体药物时
【判断题】The movie Avatar is set on an alien planet called Pandora which is inhabited by many strange species.
【简答题】选用熔断器时,必须使熔断器的额定电压( )或( )线路的额定电压;熔断器的额定电流( )或( )所装熔体的额定电流。
【单选题】附红细胞体病是多种动物(猪、牛、羊和猫)共患传染病,病猪以()为其主要特征。
【多选题】熔断器的选择原则有( )。
B.
对于熔断器的合闸回路,其熔体的额定电流按0.25~0.3倍额定合闸电流来选择
C.
对于蓄电池组出口回路的熔断器,其熔体一般按蓄电池1h放电电流值再加大一级来选择
D.
各级熔断器间应相互配合,具有选择性,每级熔断器熔体的额定电流值一般相差2~3级
【判断题】计算机其传播主要通过拷贝文件、传送文件、运行程序等方式进行,传播途径有硬盘、软件、光盘、U盘、网络等。( )
【判断题】熔断器的额定电压(Uer)应小于线路的额定电压( Uex)。
【判断题】The movie Avatar is set on an alien planet called Pandora which is inhabited by many strange species.
【单选题】Canada DayCanada Day, observed on July 1st, is a national holiday marking the anniversary of Confederation in 1867, when theBritish North America Act came into effect. It was originally known as Domin...
A.
I nspection of the military guard
B.
A flyover by the Snowbirds
C.
A major fireworks display
D.
A massive parade down the main street