【单选题】A customer has received a quotation from Dell for Intel-based 1U servers. What is the first step in submitting your quotation? ()
A.
Try to sell IBM X-Architecture technology to the customer and explain its benefits.
B.
Take the customer to the Dell Web site for determining a similar server configuration.
C.
Submit a special bid to receive additional discount on 1U servers.
D.
Design a comparable solution while highlighting IBM advantages.
【单选题】关于电磁现象,下列说法中正确的是( )
C.
电磁铁的磁性强弱与电流大小和线面匝数的多少有关
D.
只要导体在磁场中做切割磁感线运动,就会产生感应电流
【多选题】对磁场和磁感线,下列说法正确的是 [ ]
C.
只要导体做切割磁感线运动,导体中就会产生感应电流
D.
磁场的基本性质是它对放入其中的磁体有磁力的作用
【单选题】By __________ discount alerts on Twitter, Dell has generated more than $1m in sales.
【单选题】企业以低于竞争对手的价格向顾客提供产品或服务,就是所谓的
【单选题】在电磁感应现象中,下列说法正确的是 ( )
A.
只要导体与磁场之间有任何运动,导体内就一定会产生感应电流
B.
只要导体作切割磁感线的运动,导体就内一定会产生感应电流
C.
只有闭合电路在磁砀内作切割磁感线运动时,电路中才会有感应电流
【判断题】缓冲溶液在任何 pH 值条件下都能起缓冲作用。
【简答题】Dell has a ____1____ with its customers. They don’t use ____2____ to sell their goods. They offer ____3____ to customers to help customers make a ____4____ . Customers can buy a system ____5____.
【单选题】在电磁感应现象中,下列说法正确的是( )。
A.
只要穿过闭合回路的磁通量有变化,就一定有感生电流
C.
感生电动势的大小跟穿过闭合回路的磁通量成正比
D.
一段导体作切割磁力线运动,就一定会产生感生电流
【单选题】( )通过Placido盘成不同形状的椭圆像。