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【单选题】
风湿性心脏病孕妇于分娩时,正确的是A.
开全后，鼓励产妇用力屏气尽快结束分娩
B.
胎儿娩出后，在腹部放置沙袋加压
C.
预防产后出血，静脉注射麦角新碱
D.
产后 24小时鼓励下床活动，有助于子宫复旧
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举一反三
【简答题】By the middle of the twentieth century, painters and sculptors in the United States_______________________. (开始在世界范围内对艺术发生重大影响)
【简答题】在多级放大电路的阻容、变压器、直接三种耦合方式中，（ ）耦合便于集成。
【单选题】关于阻容耦合多级放大电路的特点,以下说法 错误 的是( )
A.
各级静态工作点相互独立
B.
不便于集成，多用于分立元件放大电路
C.
存在零点漂移现象
D.
低频特性较差，不能用于放大直流或缓慢变化的交流信号
【单选题】One of the central preoccupations of the arts and humanities is the observation of human beings. Painters and sculptors create images of the human form ; writers tell stories or compose poems about hu...
A.
And in our own lives, in our own ways, we spend a great deal of our energy and attention on our fellow creatures, being in families and other kinds of relationship, observing people with curiosity and interest in the course of the day, thinking about and forming our own character — deciding what kind of person we wish to be — as we grow.
B.
One of the central preoccupations of the arts and humanities is the observation of human beings.
C.
Painters and sculptors create images of the human form ； writers tell stories or compose poems about human experience; musical artists give melodic contours to the human spirit; historians and philosophers ponder the essential qualities of human civilization and nature.
【判断题】The sculptors in the Chen Clan Academy had a blueprint to design the dragon fish.
A.
正确
B.
错误
【多选题】保税货物 指经海关批准未办理纳税手续而进境 ,在境内储存、加工、装配后复运出境的货物,此类货物又分为 哪两类?( )
A.
保税仓储货物
B.
保税加工货物
C.
保税物流货物
D.
保税再加工货物
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