题目: 声波有多种表示方法,常用的有数学公式、()或者()等。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/1227/af91e39b812f18a8d86f035cf2922b5c.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:单项选择题 Which of the following is NOT true of meditation A.It relieves the pain of cancer.B.It counteracts the effect of depression.C.It has mystic elements.D.It has long been used as a cure-all. 查看答案