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【判断题】
整个小学阶段儿童的听觉感受性一直在增加。
A.
正确
B.
错误
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参考答案：
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
【单选题】可增加肿瘤发生率的因素不包括（）
A.
家族高发
B.
经常接受强X线照射者
C.
免疫缺陷病患者
D.
机体存在原癌基因者
E.
病毒感染者
【单选题】某电影院在全价票的基础上进行打折售票后，观众人数增加了一半，电影院的收入随之增加了1/5。那么票价的折扣为( )。
A.
5．5折
B.
6．5折
C.
7折
D.
8折
相关题目：
【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
【单选题】可增加肿瘤发生率的因素不包括（）
A.
家族高发
B.
经常接受强X线照射者
C.
免疫缺陷病患者
D.
机体存在原癌基因者
E.
病毒感染者
【单选题】某电影院在全价票的基础上进行打折售票后，观众人数增加了一半，电影院的收入随之增加了1/5。那么票价的折扣为( )。
A.
5．5折
B.
6．5折
C.
7折
D.
8折
参考解析：
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