托福考试

【单选题】
{$mediaurl} According to the conversation, what is noise
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
网考网参考答案：C
网考网解析：
The man says Do you remember how he said that noise is a random sound ; Well, it’s a random sound that has irregular sound waves. (2.2) document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>