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【单选题】
数据库物理设计完成后，进入数据库实施阶段，下述工作中( )一般不属于实施阶段的工作。A.
建立库结构
B.
扩充功能
C.
加载数据
D.
系统测试
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【多选题】下列关于心脏出入口说法正确的有( )。
A.
右心房有三个入口、一个出口
B.
右心室有一个入口、一个出口
C.
左心房有四个入口、一个出口
D.
右心室有二个入口、一个出口
【单选题】A new technique ________, the yields as a whole increased by 20 per cent.
A.
working out
B.
having worked out
C.
have been worked out
D.
to have been worked out
【简答题】______(新技术研制出之后) , the yields as a whole increased by 20 per cent.
【单选题】The total amount of energy received per minute by the whole earth is a great sum, but it is only a tiny fraction of the total energy radiated by sun.
A.
sent in
B.
sent for
C.
sent out
D.
sent up
【简答题】A new technique ________, the yields as a whole increased by 20 per cent. A) wording out B) having worded out C) having been worded out D) to have been worded out
【简答题】Our football team’s _________has been excellent during the whole year. A．demand B． C．history D．performance
【单选题】The tests work most effectively when it is used to measure
A.
the whole information on a person.
B.
one's creative ability.
C.
the skill one has learned.
D.
the skill he will learn in the future.
【单选题】A new technique _____ , the yields as a whole increased by 20 per cent.
A.
working out
B.
having worked out
C.
having been worked
D.
to have been worked out
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