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【单选题】
一台40英寸彩电的价格定价为1998元以取得增加销量的效果,这种定价方法是( )A.
声望定价
B.
尾数定价
C.
促销定价
D.
价值定价
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反馈参考答案：
举一反三
【单选题】When looking for a hotel room, customers usually take it for granted that ______.
A.
extra fees are specified in the hotel's rates
B.
hotels attract customers by reducing fees
C.
online reservation provides the best rates
D.
there is a surcharge for any in-room service
【单选题】以下对有限长单位冲激响应FIR滤波器特点的论述中错误的是( )
A.
FIR滤波器容易设计成线性相位特性
B.
FIR滤波器的单位冲激抽样响应h(n)在有限个n值处为零
C.
系统函数H(z)的极点都在z=0处
D.
实现结构只能是非递归结构
【单选题】Dear customers, It has been our policy in the past to supply ice to our customers when their ice machine has broken down. Because we have many customers who are paying later and later, we are forced t...
A.
aside
B.
back
C.
down
D.
up
【单选题】What is the employees' predicament when they meet with customers?
A.
an employee who comes from another country and cannot speak English is unable to communicate with English-speaking customers.
B.
an English-speaking staffer might run into problems with customers from ethnic communities.
C.
customers sometimes complain about the country music played in the restaurant.
D.
Both A and B
【简答题】什么是金属材料的焊接性？影响钢材焊接性的主要因素是什么？
【简答题】交换机的功能有( )、转发/过滤和( )。
【简答题】如果换路前电容C处于零状态，则t=0时，u C (0)=O，而t→∞时，i C (∞)=0，可否认为t=0时，电容相当于短路，t→∞时，电容相当于开路?如果换路前C不是处于零状态，上述结论是否成立?
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