【判断题】Both air way bill and sea way bill are not documents of title.( )
【单选题】在“段落”面板中可以对选择的段落不能进行以下哪些设置( )。
【单选题】Bill:So MarY,how’S the coffee maker‘working?Mary:Actually,it doesn’t work well. Bill:Why don’t you take it back?Mary:__________,but I‘ve misplaced the receipt.
D.
It’S not what l wanted
【判断题】Both sea way bill & bill of lading are non-negotiable documents.( )
【单选题】In “Early Autumn,” Mary and Bill broke with each other because ______.
A.
Mary married somebody else first
B.
Bill married somebody else first
C.
Bill left for New York for his career
D.
Mary went to the law school
【单选题】已知函数f(x)=x 3 +ax 2 +bx+c,x∈[-2,2]表示的曲线过原点,且在x=±1处的切线斜率均为-1,有以下命题: ①f(x)的解析式为:f(x)=x 3 -4x,x∈[-2,2]; ②f(x)的极值点有且仅有一个; ③f(x)的最大值与最小值之和等于零,则下列选项正确的是( )
【单选题】已知函数 在点 处有二阶导数,且 ,则下列结论正确的是( )
【单选题】已知函数f(x)是定义在R上的函数,如果函数f(x)在R上的导函数f′(x)的图象如图,则有以下几个命题: (1)f(x)的单调递减区间是(-2,0)、(2,+∞),f(x)的单调递增区间是(-∞,-2)、(0,2); (2)f(x)只在x=-2处取得极大值; (3)f(x)在x=-2与x=2处取得极大值; (4)f(x)在x=0处取得极小值. 其中正确命题的个数为 ...
【单选题】“平平仄仄”中“仄”的读音正确的一项是( ) ( )