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【单选题】
嵌顿性疝与绞窄性疝的区别是()A.
A疝囊有无压痛
B.
B疝内容物能不能
C.
疝内容物有无血运障碍
D.
是否有休克
E.
是否有机械性肠梗阻的表现
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【简答题】阅读理解。 Tom arrived at the bus station quite early for the London bus. The bus for London would not leave until five to twelve. He saw a lot of people waiting in the station. Some were standing in lines...
【简答题】简述马斯洛需要层次理论包括的内容。
【简答题】设二次函数f（x）=x 2 +ax+5对于任意t都有f（t）=f（-4-t），且在闭区间[m，0]上有最大值5，最小值1，则m的取值范围是______．
【简答题】Tom arrived at the bus station quite early for the London bus. The bus for London would not eave until five to twelve. He saw a lot of people waiting in the station. Some were standing in lines, other...
【简答题】Tom arrived at the bus station quite early for the London bus. The bus for London would not leave until five to twelve. He saw a lot of people waiting in the station. Some were standing in lines, othe...
【多选题】【习题班 多项选择题】16、根据票据法律制度的规定,下列各项中,背书无效的有( )。
A.
将票据金额分别转让给两人以上的背书
B.
背书人在票据上记载“不得转让”字
C.
将票据金额的一部分转让的背书
D.
附条件的背书
【简答题】设a＞0，且a≠1，函数f（x）=log a x在区间[a，2a]上的最大值与最小值之和为3，则a=______．
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