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【多选题】
店铺满立减设置中如何定位自己的客单价
A.
计算减的时候包括了买家所购买产品的货值及运费总金额
B.
不用管客单价,按照折扣计算就行
C.
通过数据纵横查询
D.
随便定义
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【单选题】数据仓库所存储的数据,通常具有一定特点,下列哪些不属于其特点的?()
A.
经常修改数据项的值
B.
数据大都反映历史
C.
数据来源多样
D.
面向特定主题
【单选题】Tom likes to go to the movies _____Mary prefers to go to swimming.
A.
at the same time
B.
as soon as
C.
because
D.
while
【单选题】—I called you at 6 o'clock yesterday evening, but nobody answered. — I'm sorry. I my friend download the movie Kung Fu PandaⅡwhen the telephone rang,
A.
would help    
B.
helped   
C.
was helping
【单选题】Client: Hello. May I speak to Mr. Turner? Secretary:________
A.
I'm sorry. He's at a meeting now.
B.
I am. Speak, please.
C.
Hello. Who're you, please?
D.
Hello. Thank you for calling.
【单选题】Client: Hello. May I speak to Mr. Turner? Secretary: ______
A.
I'm sorry. He's at a meeting right now.
B.
Speaking, please.
C.
Hello. Who're you, please?
D.
Hello. Thank you for calling.
【单选题】Mary prefers ____ for a walk rather than ____ at home.
A.
to go; staying
B.
going; to stay
C.
to go; stay
D.
going; staying
【单选题】数据仓库所存储的数据,通常具有一定特点,下列哪些不属于其特点的()
A.
经常修改数据项的值
B.
数据大都反应历史
C.
面向特定主题
D.
数据来源多样
【单选题】--- What about inviting Mary to our party? --- You’d better not. She prefers to be ____, so far as I know.
A.
tested out
B.
rung up
C.
left alone
D.
turned around
【单选题】数据仓库所存储的数据,通常具有一定特点,下列哪些不属于其特点的()
A.
数据大都反应历史
B.
面向特定主题
C.
数据来源多样
D.
经常修改数据项的值
【单选题】下列表述中哪一项不属于分布式数据库的特点? ( )
A.
系统的可靠性高、可用性好
B.
对数据通信的处理使得局部应用的响应速度很慢
C.
系统开销较大,主要花在通信部分.
D.
数据的安全性和保密性较难处理
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