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多边形套索工具 在选取过程中持续按住 键可以保持水平、垂直或45度角的轨迹方向。在终点起点没有重合的情况下,可以按下回车键或直接完成选取。这样起点终点之间会以直线相连。
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举一反三
【单选题】Beethoven, the great musician, wrote nine symphonies in his life, most of them ______ after he had lost his hearing.
A.
written
B.
were written
C.
had been written
D.
having written
【单选题】Is this the house ________ the great musician was born in?
A.
which
B.
where
C.
the one
D.
it
【简答题】除两端的葡萄糖基外,每个葡萄糖基具有三个游离的羟基,分别位于 C 2 、 和 位置上,它们的反应活性不同,一般情况下反应活性最强的是 ;然而对于醚化反应来说,取决于羟基的离子化程度,因此反应活性最强的是 。
【单选题】______ is known to the world, Beethoven is a great musician.
A.
That
B.
Which
C.
As
D.
It
【单选题】________ was a great musician who has tried to save his wife in the underworld.
A.
Orpheus
B.
Agamemnon
C.
Achilles
D.
Odysseus
【单选题】Which of the following person can be a great musician?
A.
A person who has a dream to be a great musician but has no perseverance.
B.
A person who has the talent and the desire to work and improve.
C.
A person who is talented and thinks great ability can make him succeed in music.
D.
A person who has less ability and a proud attitude.
【简答题】装饰图案的分类:从图案的形态类型上可分为( )和抽象形态图案。
【单选题】Which one of the following statements about great musician is true?
A.
They discovered that they could neither make a living nor enjoy it as a hobby.
B.
They went on practicing their musical skill, kept a good attitude and used right ways to treat people.
C.
They concealed their life, stories and emotion when they played music.
D.
They must be the most talented in the world.
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