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【单选题】
患者男,46岁,咳嗽、咳痰多年,近来呼吸困难加重并伴双下肢水肿,心电图示右室肥大,应考虑为A.
风湿性心脏病
B.
冠心病
C.
慢性肺心病
D.
慢支
E.
肺气肿
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【单选题】Since there is abundant food in the sea, it is understandable that some of the creatures that evolved on land______ to the sea.
A.
would have returned
B.
could have returned
C.
might have returned
D.
should have returned
【判断题】some creatures that we thought extinct might be still alive in the deep sea.
A.
正确
B.
错误
【单选题】It is implied but not clearly mentioned in the passage that______.
A.
some creatures cannot be displayed
B.
nothing in a natural history museum is alive
C.
meteorites come from outer space
D.
natural history exhibits often must be built
【单选题】以下关于谐振动的叙述，那一条是错误的（）
A.
谐振动就是质点在作匀速圆周运动
B.
任何复杂振动都可视为多个谐振动的合成
C.
在谐振动动中，质点在位移最大处受力最大，速度为零
D.
在谐振动动中，质点在平衡位置速度大，受力为零
【简答题】Word2010新增的“剪贴板”工具栏,增强了剪贴板的功能,可保存最近()次复制或者剪切的内容。A. 5 B. 8 C. 12 D. 24
【单选题】Since there is abundant food in the sea, it is understandable that some of the creatures that evolved on land______ to the sea.
A.
would have returned
B.
must have returned
C.
might have returned
D.
should have returned
【多选题】（多选）下列哪些是实现自我统一的三条途径？
A.
努力改善现实自我，使之逐渐接近理想自我
B.
修正理想自我中某些不切实际的过高标准，使之与现实自我趋近
C.
放弃理想自我而迁就现实自我
D.
如果理想自我与现实自我有冲突，坚定不移地坚持实现理想自我
【简答题】Metrorall (地铁) Each passenger needs a farecard to enter and go out .Up to two children under age five may travel Free with a paying customer . Farecard machines are in every station .Bring small bills...
【多选题】在组距式数列中,组中值是_____。
A.
上限与下限之间的中点数
B.
在开口组中无法确定
C.
是用来代表各族标志值的平均水平
D.
在开口组中可参照邻组组距来确定
E.
就是组内变量值的平均数
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