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【单选题】
小学生的识字是在原有的言语动觉和听觉分析器建立联系的基础上，增加（ ）分析器的联系。
A.
动觉
B.
听觉
C.
视觉
D.
触觉
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Every year television stations receive hundreds of complaints about the loudness of advertisements. However, federal rules forbid the practice of making ads louder than the programming. In addition, t...
A.
TV stations always operate at the highest sound levels
B.
their sound levels are kept around peak levels
C.
their sound levels are kept in the middle frequency ranges
D.
unlike regular programs their intensity of sound varies over a wide range