探究"声音从哪里来"这一科学活动的核心经验是()
A.声音的响度
B.声音的音调
C.物体振动产生声音
D.声音的音色
正确答案是C
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/170863.html
上一篇:Passage 1Questions 1 to 5 are based on the following passage.Mount Rushmore (now known as the President’s Mountain), located just north of Custer State Park in South Dakota’s Black Hills National Forest, was named for the New York lawyer Char
下一篇:政策网络的兴起源于()