【单选题】如果不等式组 x<5 x≥m 有解且均不在-1<x<1内,那么m的取值范围是( )
【简答题】先化简再求值:3(m+1) 2 -5(m+1)(m-1)+3m(m-1),其中m=5.
【简答题】工作价值观的形成和发展经历了童年期的______阶段、少年期的______阶段、青年期的形成和______阶段。
【单选题】She's been promoted
A.
because she's brought off that deal.
B.
while she was working as Head of R&D.
【简答题】A.She's on a committee. B.She's been working late. C.She exercises too much. D.She's trying to account for the report.
【简答题】已知m 2 -5m-1=0,则 2 m 2 -5m+ 1 m 2 =______.
【单选题】“不登高山,不知天之高也;不临深溪,不知地之厚也。”这说明:
【单选题】She's been promoted
A.
because she's brought off that deal.
B.
while she was working as Head of R amp;D.
【简答题】先化简,再求值:3(m+1) 2 ﹣5(m+1)(m﹣1)+2(m﹣1),其中m=5.