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【单选题】
RGB 三原色,分别代表了哪三种颜色? ( )A.
红色、黄色、蓝色
B.
黄色、绿色、黑色
C.
红色、绿色、蓝色
D.
红色、灰色、黑色
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反馈参考答案：
举一反三
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【单选题】The taller children should stand at the back _____ everyone can see.
A.
so that
B.
in order to
C.
so as to
D.
now that
【简答题】Directions:Fill in the blanks in the following paragraph. Maria is a failure as a n ___1____ . The Reverend Mother sends her off in answer t ___2____ a letter from a retired naval captain for a g ___3...
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