皮皮学,免费搜题
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搜题
【单选题】
胃壁黏膜上皮属于
A.
复层扁平上皮
B.
单层扁平上皮
C.
单层立方上皮
D.
单层柱状上皮
E.
假复层纤毛柱状上皮
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皮皮学刷刷变学霸
举一反三
【判断题】个人述职报告侧重写干部个人履职期间的表现,要用写实性语言突出自己的德能勤绩廉,一般不与本单位的工作业绩、问题相掺杂。
A.
正确
B.
错误
【简答题】When a student is called upon to answer a question in class, usually he/she is delivering a/an _______ speech.
【多选题】设A,B为两个事件,以下哪些表述是不正确的( )。
A.
若A,B相互包含,则P(A∪B)=P(A)+P(B)
B.
若A,B互不相容,则P(A∪B)=P(A)+P(B)
C.
若A,B相互独立,则P(AB)=P(A)·P(B)
D.
若A,B互不相容,则P(AB)=P(A)P(B)
E.
若A,B相互独立,则P(B|A)=P(B)
【简答题】Football, to me, is more than just a . I have probably learned more than valuable lessons from it than from school. When I joined the team freshman year, I didn’t realize what I was getting into. ...
【单选题】下列哪一项属于主诉问诊的内容( )
A.
是否患过麻疹
B.
服药有无不良反应
C.
当前最痛苦的症状
D.
有无不良生活习惯
【单选题】Success in soccer is more than just winning.
A.
Y
B.
N
C.
NG
【简答题】There is famous story about British poet Samuel Taylor Coleridge.He was writing a poem when he was interrupted by a knock at the door. This was an age before telephones.Someone was delivering a messag...
【简答题】已知函数f(x)=xlnmx(m>0),g(x)=﹣x 2 +2ax﹣3,且f(x)在x=e处的切线方程为2x﹣y﹣e=0, ①求m的值. ②若y=af(x),y=g(x)在区间[1,3]上的单调性相同,求实数a的取值范围. ③求证:对任意的x∈(0,+∞),都有 .
【多选题】设A,B为两个事件,以下哪些表述是不正确的( )。
A.
若A,B相互包含,则P(A∪B)=P(A)+P(B)
B.
若A,B互不相容,则P(A∪B)=P(A)+P(B)
C.
若A,B相互独立,则P(AB)=P(A)·P(B)
D.
若A,B互不相容,则P(AB)=P(A)P(B)
E.
若A,B相互独立,则P(B
F.
A)=P(B)
【判断题】若随机变量X与Y的二阶矩有E[XY] = 0,则E[X]E[Y] = 0
A.
正确
B.
错误
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