拿一张硬纸片让它快速从木梳齿上划过,再让它从木梳齿上慢慢划过,则两次所发出的声音( )。
初一下册复习

Quiz
•
Science
•
9th Grade
•
Hard
刘玮芊LEW QIAN
Used 6+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
音调不同
响度不同
音色不同
以上皆是
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下面说法中错误的是( )。
音色与发声体的结构,材料有关
用力敲敲,鼓面振幅越大,响度越大
声源离人耳越近,振幅越大,响度越大
发声体每秒振动次数越多,音调就越高,响度就越大
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
在下列四个句子中,其中“高”字指音调的是( )——复选题
引吭高歌
她是唱高音的
请勿高声喧哗
这首歌调太高,我唱不上去
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
王勇二胡拉得很好,他在演出前总要调节二胡弦的松紧程度,他是在调( )
响度
音调
音色
振幅
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
打开收音机的音量旋钮声为了( )
减小噪音
提高声音的音调
增大声音的响度
改善声音的音色
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
下列现象中,与声音音色有关的是( )--复选题
我们能够听出钢琴的声音比小提琴的声音大
在听熟悉的人打电话时,很容易辨别出对方是谁
选陶器的时候,总要轻轻地敲击一下来判定陶瓷品质的优劣
有经验的养蜂员,根据蜜蜂的嗡嗡声,就能判断出它是不是采蜜归来
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列关于声音的说法中不正确的是( )
“震耳欲聋”说明声音的音调高
“隔墙有耳”说明固体能传声
“闻其声知其人”说明可以根据音色来判断说话者
“响鼓也要重锤敲”,说明声音是由振动产生的,且振幅越大响度越大
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