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【单选题】
下列化合物中,不能发生岐化(坎尼扎罗 Cannizzaro )反应的是A.
HCHO
B.
Ph-CHO
C.
(CH3)3CCHO
D.
CH3CHO
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【简答题】Acrylic paint enables artists to experiment with many colors effects.
【单选题】Instead of trying to imitate reality in their works, many artists of the early twentieth century _____ their feelings and ideas in abstract art.
A.
in the beginning to reveal
B.
began to reveal
C.
revealed the beginning
D.
to begin revealing
【单选题】Many things make people think artists are weird and the weirdest may be this: artists' only job is to explore emotions, and yet they choose to focus on the ones that feel bad. This wasn't always so. T...
A.
Poetry is not as expressive of joy as painting or music.
B.
Art grow out of both positive and negative feeling.
C.
Poets today are less skeptical of happiness.
D.
Artist have changed their focus of interest.
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