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【单选题】
墙面贴块料面层均按图示尺寸以( )计算。
A.
实贴面积
B.
垂直投影面积
C.
垂直面积
D.
实际面积
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参考答案:
举一反三
【单选题】在 PowerPoint 中,可以选中对象,按住 ( ) 键快速复制出新对象。
A.
Shift
B.
Ctrl
C.
Home
D.
Alt
【单选题】It can be inferred from this passage that automobiles ______.
A.
are an important part of the world's economy
B.
are becoming less dangerous
C.
will produce less air pollution in the future
D.
are killing more people in recent years than in the past
【单选题】在PowerPoint中复制对象可按住( )键并拖动鼠标来完成。
A.
Shift
B.
Ctrl
C.
Alt
D.
Enter
【单选题】在PowerPoint 2003中,在编辑幻灯片时,拖动某一对象的同时按住哪个键,可以实现对该对象的复制()
A.
Ctrl
B.
Shift
C.
Alt
D.
Enter
【单选题】45钢工件要求高强韧性的热处理是 。
A.
正火
B.
淬火
C.
淬火+高温回火
D.
淬火+低温回火
【判断题】在PowerPoint中,可以选中对象,按住Ctrl键快速复制出新对象。( )
A.
正确
B.
错误
【单选题】在PowerPoint中,可以选中对象,按住( )键快速复制出新对象。
A.
Shift
B.
Crtl
C.
Alt
D.
Home
【判断题】一个实际电压源等效为一个理想电压源与内阻相串联。
A.
正确
B.
错误
【判断题】一个实际电压源为一个理想电压源与内阻相串联。
A.
正确
B.
错误
【单选题】It can be inferred from the passage that scientists of the 18th century ______.
A.
thought that they knew a great deal and could solve most problems of science
B.
did no more than good in promoting man's understanding of nature
C.
knew that they were ignorant and wanted to know more about nature
D.
were afraid of facing up to the realities of scientific research
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