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【单选题】
Which of the following is the definition of CAS latency？（）A.
CAS latency is the ratio between the column access time and the clock cycle time.
B.
CAS latency is the ratio between the row access time and the clock cycle time.
C.
CAS latency is the ratio between the column access time and the data burst transfer time.
D.
CAS latency is the ratio between the row access time and the data burst transfer time.
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【单选题】John is a(n) _____ caller of my blog and always leaves a few words to me. [ ]
A.
official
B.
frequent
C.
fluent
D.
upset
【简答题】A．They got a wrong order number from the caller. B．They failed to deliver the computers on time. C．They couldn't find the order form. D．They made a wrong delivery.
【单选题】What should operators do if the caller is asking something that is not their business?
A.
Hang up the phone directly.
B.
Tell the caller he got the wrong number.
C.
Tell the caller which department he may call and transfer the call for them.
D.
Tell the caller that it is none of their business.
【单选题】When the receiver does not know the caller,( )
A.
the receiver should introduce himself and ask why the caller calls
B.
the caller should introduce himself and tell why he calls
C.
a brief introduction does not show good phone etiquette
D.
it is not necessary to make a simple introduction
【单选题】After taking down the telephone message from the caller, we must _____________ before ending the call.
A.
thanks the caller
B.
repeat the information
C.
appreciate the caller
D.
remind the caller to call back
【简答题】Yesterday we got into a(n) ______ (argue) about whether to accept or refuse the invitation.
【简答题】慢性风湿性心瓣膜病主要的致死原因是（ ）|急进型高血压多见的致死原因有（ ）|急进型心肌梗死24小时内死亡主要原因（ ）A. 心源性休克B. 心律失常C. 心力衰竭D. 脑卒中E. 尿毒症
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