题目

已知命题p:∃x∈R,x-2>lg x,命题q:∀x∈R,x2>0,则( ) (A)命题p∨q是假命题 (B)命题p∧q是真命题 (C)命题p∧(q)是真命题 (D)命题p∨(q)是假命题 答案：C解析:当x=10时满足x-2>lg x,故命题p为真命题,当x=0时,x2=0,故命题q为假命题,命题q为真命题,因此p∧(q)是真命题,故选C.Complete the questions and answers with‘a’,‘an’and‘the’. Q:Will Lisa play ________ piano at ________ school concert tonight? A:Yes. I have ________ ticket for it.