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【单选题】
膳食中优质蛋白质应占膳食蛋白质总量的（）A.
10%-20%
B.
20%-30%
C.
30%-50%
D.
50%-70%
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【单选题】Which order is correct by the price of each city according to the passage? ①Hongkong ②Beijing ③Tokyo ④New York
A.
④②③①
B.
①②③④
C.
①③④②
D.
③④②①
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A.
Friday
B.
Sunday
C.
Wednesday
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A.
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B.
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C.
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D.
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A.
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B.
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C.
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D.
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A.
可以以大写或小写形式键入要搜索的内容,搜索不区分大小写
B.
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C.
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D.
可以用引号或括号将每个元素分开,以便将搜索元素分组
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