若函数y=x2+（a-2）x+3，x∈[a，b]的图象关于直线x=1对称，则b=

Excel的日期型数据格式有( )

A．日/月/年

B．月/日/年

C．年/月/日

D．年/日/月

E．年月日

______ Michael Jordan has been back on the sports field.

[      ]

A. It is believed what

B. It's reported that

C. People thought that

D. They are reported that

If it       tomorrow, I       fishing in South Lake.

A． is; go

B．will;go

C．is; will go

D．will be; willgo

故意在谈判室或走廊上遗失你的备忘录、便条或文件夹，或者把它们放到对方容易找到的字纸篓里等做法属于()。

A.故布疑阵策略   

B.声东击西策略 

C.寻找临界价格   

D.把利益摆在明处，把压力塞给对方

etops运行的航空器在放行前是否必须考虑备降场的侧风的影响。