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【判断题】
材料的特征性能是指在一定条件下和一定限度内对材料施加某种作用时,通过材料将这种作用转换为另一种作用的性质。例如许多材料具有把力、热、电、磁、光、声等物理量通过“物理效应”、“化学效应”、“生物效应”进行相互转换的特性。
A.
正确
B.
错误
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【单选题】在PowerPoint 2003中,不可以在字体对话框中设置()。
A.
文字颜色
B.
文字对齐格式
C.
文字大小
D.
文字字体
【单选题】Distilled water from an evaporator may be discharged into a potable water tank _____.
A.
through a detachable hose connection
B.
after passing through an activated charcoal filter
C.
after chemical analysis shows it is fit for consumption
D.
through a solenoid operated three-way valve
【单选题】The remaining oil/water mixture now flows down into the fine separating compartment and moves slowly between the_____ in the Turbulo separator.
A.
catch plates
B.
swash plates
C.
cover plates
D.
bedplates
【判断题】PowerPoint 2003 中,不可以为图片重新上色。( )
A.
正确
B.
错误
【判断题】在PowerPoint2003中,讲义母版视图中不可以调整“对象区”占位符。
A.
正确
B.
错误
【单选题】What happens to the waste water?
A.
It is kept in a large storage tank.
B.
It flows away through drains to a sewer.
C.
It flows away through a water main.
D.
It is returned to the waterworks.
【判断题】在PowerPoint2003中放映幻灯片时可以不播放动画。( )
A.
正确
B.
错误
【单选题】After the rain soaks into rocks, the rain water flows ______.
A.
into the well
B.
down between rock layers
C.
through the sandwich
D.
to the dry regions
【单选题】The kangaroo rat is different from other animals in that ______.
A.
it can produce water through breathing
B.
it can store water in parts of its body
C.
it can maintain different body temperatures
D.
it can drink a 10t of water at a time
【判断题】PowerPoint 2003中,不可以为图片重新上色。
A.
正确
B.
错误
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