【简答题】A.Because he has made enough money to make a good living. B.Because he likes teaching business in a local college. C.Because he cannot get support from his family. D.Because he feels much stressed.
【单选题】如果要使用计算机来观看电视节目或观看录像带或摄像机的画面,则该计算机上应安装( )。
【简答题】应付账款应付账款期末贷方余额,反映彩票机构尚未支付的应付账款。( ) Y、对 N、错
【单选题】He made a living ______ doing some important things. [ ]
【单选题】应付账款周转率等于( )
A.
购货成本÷[(期初应付账款+期末应付账款)÷2]
B.
购货成本÷[(期初应付账款-期末应付账款)÷2]
D.
购货成本÷[(期末应付账款-期初应付账款)÷2]
【简答题】函数f(x)=ax 3 +3x 2 +3x(a≠0). (1)讨论函数f(x)的单调性; (2)若函数f(x)在区间(1,2)是增函数,求a的取值范围.
【简答题】已知函数f(x)=(ax﹣1)e x ,a∈R (1)当a=1时,求函数f(x)的极值. (2)若函数f(x)在区间(0,1)上是单调增函数,求实数a的取值范围.
【简答题】已知函数f(x)=a x +x 2 -xlna(a>0,a≠1). (1)求函数f(x)在点(0,f(0))处的切线方程; (2)求函数f(x)单调增区间; (3)若存在x 1 ,x 2 ∈[-1,1],使得|f(x 1 )-f(x 2 )|≥e-1(e是自然对数的底数),求实数a的取值范围.
【单选题】根据我国人民法院法庭规则,人民法院应当对庭审活动()。