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【多选题】
盐酸普鲁卡因注射液处方中加入氯化钠的目的A.
抑菌
B.
调整等渗
C.
防止氧化
D.
增加稳定性
E.
延长药效
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【简答题】A．File idea occurred to him when he went shopping yesterday. B．He got the idea when he was on his way back yesterday. C．He had the idea when he was lying in bed last night. D．He got the idea on his wa...
【单选题】When he ________ home, he saw his mother the room.
A.
got back; clean
B.
got on; cleaning
C.
got at; clean
D.
got back; cleaning
【单选题】When Tom was very young, he was terribly frightened of snakes, but he soon ______ it.
A.
got over
B.
got across
C.
got through
D.
got off
【单选题】No sooner ____ to the cinema ____ the film began. [ ]
A.
had he got, than
B.
he had got, when
C.
did he get, than
D.
had he got, when
【简答题】炉衬的破损原因主要有（）、急冷急热、机械冲撞、化学侵蚀等几方面作用。
【简答题】炉衬的破损原因主要有高温热流的作用、（）、机械冲撞的作用、化学侵蚀等几方面作用。
【简答题】炉衬的破损原因主要有高温热流的作用、（）的作用、（）的作用、化学侵蚀等几方面作用。
【简答题】炉衬的破损原因主要有高温热流的作用、急冷急热的作用、（）、化学侵蚀等几方面作用。
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