函数f(x)=x2+(3a+1)x+2a在(-∞,4)上为减函数,则实数a的取值范围是[ ]
A.a≤-3
B.a≥-3
C.a=-3
D.a≤5
答案:A
The senior senator has in the past three terms both experienced the sweet taste of success and the bitterness of defeat in his legislation fights with his opponents.
A.both experiences
B.experiences both
C.experience both
D.experienced both
在贷款审查中,对贷款保证人的审查内容不包括保证人()。
A.是否具有合法资格
B.是否具有较高的信用等级
C.净资产和担保债务的状况
D.是否在本银行开立了保证金专用存款账户