【简答题】_______________: the main building or offi ces used by a large company or organization
【简答题】下列几个命题,正确的有______.(填序号) ①方程x 2 +(a-3)x+a=0有一个正实根,一个负实根,则a<0; ②若幂函数 y= x m 2 +2m-3 的图象与坐标轴没有交点,则m的取值范围为(-3,1) ③若f(x+1)为偶函数,则有f(x+1)=f(-x-1); ④函数y=f(2 x )的定义域为[1,2],则函数y=f(x)的定义域为[0,1].
【单选题】从业人员尽职尽责地做好自己的( )工作是爱岗敬业的表现
【单选题】With the development of artificial intelligence, robots will do some mental work in office______________some manual work on the production line.
【单选题】What was one problem of nitroglycerine? 查看材料
A.
Office buildings could not be built using nitroglycerine.
B.
Transporting the compound from one factory to another took too much time.
C.
The compound was explosive and storing it safely was difficult.
D.
Making dynamite from the compound was too expensive to make a profit.
【单选题】小李在某网吧玩游戏时,受到了小张的袭击,应由谁承担责任
【单选题】若幂函数 与x轴没有交点,则f(x)的图像
【单选题】3岁以上年长儿,小儿惊厥的发病原因应主要考虑以下哪个病因与病人家属沟通