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【多选题】
下面对于图层蒙版叙述正确的是A.
使用图层蒙版的好处在于，能够通过图层蒙版隐藏或显示部分图像
B.
使用蒙版能够很好的混合两幅图像
C.
使用蒙版能够避免颜色损失
D.
使用蒙版可以减小文件大小
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】With pressure from life and work increasing day by day, there should be something for people to ______. [ ]
A.
make fun of
B.
have fun with
C.
play tricks on
D.
have for fun
【单选题】The humans are destroying nature day by day,__________of course,will cause severe punishment from it sooner or later.
A.
who
B.
when
C.
on which
D.
which
【单选题】We can infer from the passage that Jean-Marc Rapp
A.
gave full support to the Bologna process in 1999.
B.
gave credit to the European countries that joined Bologna in 1999.
C.
did not have much faith in the Bologna process at first.
D.
intended to make Bologna an inter-governmental treaty.
【单选题】The humans are destroying nature day by day,__________of course,will cause severe punishment from it sooner or later.
A.
who
B.
when
C.
on which
D.
Which
【简答题】The weather ______ (vary) from day to day.
【单选题】A place is moved from day into night and from night into day over and over by ______ of the earth.
A.
the pushing
B.
the pulling
C.
the spinning
D.
the passing
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