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【单选题】
划分层次、网状、关系型数据库的原则是A.
记录的长度
B.
文件的大小
C.
联系的复杂度
D.
数据及联系的表示方式
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皮皮学刷刷变学霸
举一反三
【单选题】● The screen saver you are using is （71） protected. （71）
A.
disk
B.
password
C.
computer
D.
file
【简答题】v. 劈开 , 割裂 , 分裂 a. 裂开的
【判断题】When using list comprehension, you must always use the assigned variable ‘x’.
A.
正确
B.
错误
【单选题】When a fire( )at the National Exhibition, at least ten priceless paintings were completely destroyed.
A.
broke off
B.
broke out
C.
broke down
D.
broke up
【判断题】When using the product interest method , the product can be calculated by the list of balances and alpha account. ( )
A.
正确
B.
错误
【简答题】如何在你的计算机上查看图像文件的各种属性?
【单选题】While discharging a tanker，list can be controlled by ______．
A.
Shoreside personnel
B.
Using a center tank near the bow，discharging as necessary
C.
Using wing tanks near the longitudinal center，discharging as necessary
D.
Using the after peak tank，loading as necessary
【简答题】When you finish those, I want you to put these cards in alphabetical order, using the last names, and then make a list.
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