单选题：Insects thrive all over, from the hottest deserts to the sno

题目内容：

Insects thrive all over, from the hottest deserts to the snow-clad peaks of lofty mountains. A．A　silently
B．B　totally
C．C　everywhere
D．D　overhead

参考答案：

答案解析：

社会分化是指原来承担多种功能的某一社会单位变为承担单一功能的多个单位，以及该社会单位由地位相同变为地位相异的现象。在这里

社会分化是指原来承担多种功能的某一社会单位变为承担单一功能的多个单位，以及该社会单位由地位相同变为地位相异的现象。在这里，所谓社会单位既指社会个体、社会群体，也

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