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【判断题】
Bird和bird是相同的标识符。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】颜色模式中色光三原色是指 、色料(印刷)三原色是指 。
【单选题】Young scientists cannot realize______ soon that existing scientific knowledge is not nearly so complete, certain and unalterable as many textbooks seems to imply.
A.
so
B.
very
C.
too
D.
such
【简答题】颜色三原色是指( )、( )、( )三色
【单选题】听力原文：M: Good morning . May I help you? W: Good morning. I' d like to get three 50-cent stamps. M: Here you are. One dollar and 50 cents in all, please Where are they?
A.
In a bank.
B.
At a post.
C.
In a department store.
【单选题】Why won't Mr. Stone come to the clinic tomorrow?
A.
He can't spare the time.
B.
The clinic will be closed.
C.
Dr.Milton won't come to work.
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