【简答题】Would it _________________to close the refinery for a while?
【单选题】The birthplace of plastic is the oil refinery.
【单选题】已知函数 f(x)= - x 2 +6x+ e 2 -5e-2,x∈(-∞,e] x-2lnx,,x∈(e,+∞) ,若f(6-a 2 )>f(a)则实数a的取值范围是( )
【单选题】Would it be an idea to close the refinery for a while?
A.
Putting forward proposals
B.
Disagreeing indirectly
D.
Avoiding making decisions
【简答题】已知函数 f(x)= - x 2 +6x+ e 2 -5e-2,x≤e x-2lnx,x>e (其中e为自然对数的底数,且e≈2.718)若f(6-a 2 )>f(a),则实数a的取值范围是______.
【单选题】Teachers, train drivers, oil refinery workers and other French employees have _____to strike in protest of President Sarkozy’s pension (养老金) reforms.
【简答题】因式分 (f)3x e -6xy+x; (e)-左m 3 +f6m e -e8m; (3)f8(a-7) e -fe(7-a) 3 .