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声音

Authored by kuek Moe

Science

1st - 12th Grade

Used 110+ times

声音
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20 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

对瓶口吹气,周围的空气因_______而产生声音。

波动

振动

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

人类说话时,_______会振动。

声带

声呐

超声波

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

人们说话时,声带振动越______,

所产生的声音越_______。

大;小

小,大

大,大

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

发声的物体叫做________。

声波

声带

声源

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

声音会反射。

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

光与_______一样,会反射。

声音

视线

味道

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

什么是回声?

传播出去的声音碰到障碍物被反射回来。

人们自己创造而成的声源。

人们可以在此听见的反射回来的声音。

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