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【单选题】
，女，5岁，先天性心脏病术后，使用呼吸机辅助呼吸，护士给患者吸痰时，发现患者痰液粘稠，不易吸出，下列措施中哪项不妥（）A.
叩拍胸背部，以震动痰液
B.
给患者作超声雾化吸人，以稀释痰液
C.
每次吸痰时间>15s，以吸尽痰液
D.
缓慢滴人生理盐水，以稀释痰液
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举一反三
【单选题】In paragraph three, how many ways are mentioned as the illustration of the fact that science students take advantage of computers?
A.
2
B.
4
C.
5
D.
3
【简答题】The trip to the United State opened my eyes to the fact that there are a lot of similarities as well as differences between American youth and French youth. The first difference is in appearance. Goin...
【简答题】他坚持上小提琴课。(persevere with)
【简答题】The trip to the United State opened my eyes to the fact that there are a lot of similarities as well as differences between American youth and French youth. The first difference is in appearance. Goin...
【判断题】Constatives are sentences that did not state a fact or describe a state, and are not verifiable.
A.
正确
B.
错误
【简答题】立式升降台铣床铣键槽时,主运动是________________,进给运动是____________________。
【多选题】饮茶礼仪中,有美好祝福寓意的动作是:
A.
凤凰三点头,即用手提壶把,高冲低斟反复三次 (寓意向客人三鞠躬)
B.
回转注水、斟茶、温杯、烫壶等动作时,右手必须按逆时针方向(寓意来来来)
C.
回转注水、斟茶、温杯、烫壶等动作时,左手必须按顺时针方向 (寓意来来来)
D.
斟茶斟七分(寓意七分茶三分情)
【简答题】设(1)函数f(z)在区域D内解析，f(z)≠常数； (2)C为D内任一条周线，只要求下列幂级数的收敛半径：求下列幂级数的收敛半径：
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