单选题：下列正确地理解儿童的发展的是（　　）

题目内容：
下列正确地理解儿童的发展的是（　　） A．儿童的生长变化过程
B．儿童生理成熟度变化
C．儿童在身心两方面的量变和质变
D．儿童心理成熟度的变化

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答案解析：

Of the many radio stations in the city, FM 109 is considered

Of the many radio stations in the city, FM 109 is considered to play the________

分类：幼儿保教知识与能力  题型：单选题
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announcing his retirement, Mr. Kinsley has been busy trying

announcing his retirement, Mr. Kinsley has been busy trying to train his replace

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If the task is too complicated to figure out onown, please d

If the task is too complicated to figure out onown, please don't hesitate to ask

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下列离散程度的测度值中，能够消除变量值水平和计量单位对测度值影响的是（　　）。

下列离散程度的测度值中，能够消除变量值水平和计量单位对测度值影响的是（　　）。A．标准差 B．离散系数 C．方差 D．极差

分类：幼儿保教知识与能力  题型：单选题
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