男,40岁,确诊肝硬化1年,近2个月出现乏力、纳差,下列哪项最能表示有门脉高压征()
A.脾大
B.肝大
C.蜘蛛痣
D.肝掌
E.食管下段静脉曲张
参考答案:E
已知p:∃x∈R,mx2+2≤0,q:∀x∈R,x2-2mx+1>0,若p∨q为假命题,则实数m的取值范围是( )
A.[1,+∞)
B.(-∞,-1]
C.(-∞,-2]
D.[-1,1]
______ you have tried it, you can’t imagine how pleasant it is.
A. When. B. Because. C Although. D. Unless.