第1题
A.How music differs from noise
B.Sounds made by musical instruments
C.The phenomenon of antinoise
D.Why some sounds are unpleasant
第2题
A.The complete absence of sound
B.Patterns produced by sounds in nature
C.Random sound with irregular waves
D.Sounds made by a computer voice
第3题
A.I'm frustrated because I don't understand.
B.I'm glad that you know so much about music.
C.I don't agree with what you are saying.
D.I wish that I knew how to play the drums.
第4题
A.By contrasting music and antinoise
B.By reading a definition from the textbook
C.By describing the sound of a drumbeat
D.By telling her about a computer program
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!