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【单选题】
对于离散型变量，在编制变量数列时（）A.
只能编制单项式变量数列
B.
只能编制组距式变量数列
C.
既可编制单项式又可编制组距式变量数列
D.
不能编制组距式数列
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【简答题】The responsibility of the principal is that he must prepare collection ______ in his ______ for the bank to observe. The responsibility of the bank is only permitted to act upon the instructions given...
【单选题】_______ we found the boy won the prize． [ ]
A.
In surprise
B.
To our surprise
C.
To one's surprise
D.
To his surprise
【多选题】第题:无线漫游需要注意哪几个方面()
A.
AP信道必须是一致
B.
AP发出的SSID必须是一致
C.
AP无线用户vlan必须是一致
D.
无线加密和认证方式必须一致
E.
信号覆盖必须没有缝隙
F.
终端需要开启漫游功能
【单选题】He was always sleeping in class. Much to ___, he____first.
A.
us surprise; came out
B.
our surprise; came out
C.
our surprised; came out
D.
our surprising; came out
【简答题】What must be prepare for the Engine department before entering harbour?
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