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【多选题】
饭店利润包括饭店的()。A.
经营利润
B.
营业利润
C.
利润总额
D.
净利润
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皮皮学刷刷变学霸
举一反三
【单选题】下列关于布线的线缆选用的说法正确的是 ( )
A.
语音信道在水平子系统中一般采用五类大对数双绞线
B.
数据通信信道在水平子系统中一般采用超五类或六类双绞线
C.
在室内宜采用高带宽的单模光纤
D.
水平布线系统多采用 25 对大对数双绞线
【简答题】Hello, this is David Austin with the BBC news. —1—is beginning a 2-day meeting in Geneva aimed at —2—the global response to —3—. From Geneva, here's Imogen Foulkes. There's a lot the health experts do...
【简答题】水平子系统也称__,这个系统若使用双绞线,一般要求在__范围内,如果超过90m,应使用__布线。
【简答题】No one really wants to think about it, but we all need to learn how to 1 our finances. It can be difficult to 2 , and yet it is an essential skill for 3 the pressures of hood. However much we wou...
【简答题】No one really wants to think about it, but we all need to learn how to_1__our finances. It can be difficult to _2__, and yet it is an essential skill for _3___ the pressures of hood. However, muc...
【简答题】Reading in Depth: There is a short passage with 10 blanks. You are required to select one word or phrase for each blank from a list of choices given in the word bank following the passage. Read the p...
【单选题】No one wants you to be _______ but we really want you to do your best always.
A.
proud
B.
perfect
C.
polite
D.
popular
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