题型:多选题 如图所示为某人带着耳塞敲鼓,下列说法中不正确的是( )A.用大力气敲鼓,能使声音的响度变大B.每秒钟内敲击鼓的次数越多,能使音调变高C.每秒钟内敲击鼓的次数越多,鼓的振幅越大D.带耳塞是为了在接收环节上减弱噪声 查看答案
题型:选择题 ---It is what parents say and do that really matters in children’s character training.--- _________.A.ProperlyB.DoubtfullyC.SimplyD.Absolutely 查看答案