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20210628_bat

Authored by pokuang hsieh

Biology

5th Grade

Used 1+ times

20210628_bat
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5 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

回音是指聲音遇到障礙物後反射回來的現象。

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

蝙蝠會飛、有翅膀,所以是鳥類。

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

蝙蝠發出聲波時,會收聽回音以了解自己所處的環境。

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

在東方社會裡,蝙蝠帶有福氣的意思,而西方文化則表示陰森、邪惡。

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

人類仿效蝙蝠的回音定位系統,發明出聲納系統,可以測量海底的深度、地形或其他障礙物的位置。

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