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【单选题】
《登金陵凤凰台》“三山半落青天外，二水中分。”中的是指（）A.
长江上新河一带
B.
城南公园
C.
长江燕子矶一带
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反馈参考答案：
举一反三
【单选题】The number of class intervals in a frequency distribution is usually between ___________.
A.
3 and 5
B.
7 and 9
C.
5 and 15
D.
1 and 25
【判断题】True or False: A good choice for the number of class groups to use in constructing frequency distribution is to have at least 5 but no more than 15 class groups.
A.
正确
B.
错误
【简答题】（ ）是中国传统膳食的主体，也是人体能量的主要来源。
【判断题】A good choice for the number of class groups to use in constructing frequency distribution is to have at least 5 but no more than 15 class groups.
A.
正确
B.
错误
【判断题】True or False: A good choice for the number of class groups to use in constructing frequency distribution is to have at least 5 but no more than 15 class groups.
A.
正确
B.
错误
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