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【单选题】
2岁以下婴幼儿肌内注射时最好选用A.
臀大肌
B.
前臂外侧
C.
上臂三角肌
D.
臀中肌、臀小肌
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参考解析：
知识点：
皮皮学刷刷变学霸
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: The larger the number of observations in a numerical data set, the larger the number of class intervals needed for a grouped frequency distribution.
A.
正确
B.
错误
【简答题】按要求填写句子。 《过秦论》 (1)文中最能表现秦始皇统一天下势不可挡的一句是: _________________________________________________________________ (2)最能揭示秦始皇天下百姓,造成人民的一句是: ____________________________________________________________...
【判断题】The larger the number of observations in a numerical data set, the larger the number of class intervals needed for a grouped frequency distribution.
A.
正确
B.
错误
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