题目

读下面的寻物启事和招领启事， 回答下列问题。 Lost My school ID card. My name is Mike. Please call 266­8990.Found New watch. Is this your red watch? Please call Ann Reed at 653­7866. 1.Is Mike a student? ________________________________________________________________________ 2．What's Mike's telephone number? ________________________________________________________________________ 3．Is Ann the owner （主人） of the watch? ________________________________________________________________________ 4．What color is the watch? _________________________________________与声音传播速度有关的是A.声音的音调B.声音的响度C.声音的频率D.传播声音的物质