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【简答题】
在平面直角坐标系中，小方格都是边长为1的正方形，图①、②、③、④的形状和大小均相同．请你解答下列问题（根据变换需要可适当标上字母）： （1）写出图①中点A关于原点对称的点的坐标； （2）指出图②通过怎样的变换可与图①重合？图④通过怎样的变换可与图③拼成一个矩形？ （3）请将图形①、②、③、④四部分密铺到图⑤中，在图⑤中画出图形，并将其中两块阴影。
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【简答题】语音信号处理主要研究哪几方面的内容？
【单选题】The workers are unlikely to be______by the factory because of the support of the Trade Union.
A.
laid aside
B.
laid down
C.
laid off
D.
laid out
【单选题】The workers are talking about the doctors and the offices ____ they visited yesterday.
A.
which
B.
who
C.
that
D.
where
【简答题】The workers are carrying p______( 包裹 )at the station.
【单选题】Working conditions generally remain bad because.
A.
the workers are quite satisfied with them.
B.
no one can decide what to do about them.
C.
managers see no need to change them.
D.
office workers want to protect their position
【单选题】工人们正努力尽快提高产量。
A.
The workers are working to increase production at the highest speed possible.
B.
The workers are trying to raise production at the quickest velocity.
C.
The workers are trying to improve production as fast as possible.
D.
The workers are working to raise production as fast as possible.
【单选题】Manual workers' working conditions generally remain bad because
A.
the workers are unwilling to change them.
B.
no one can decide what to do about them.
C.
managers do not want to change them.
D.
office workers want to protect their position.
【单选题】要使一个命令按钮上有图形,应该设置该按钮的( )属性值,同时设置它的 style 属性为 1
A.
Picture
B.
Style
C.
DownPicture
D.
DisabledPicture
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