下列哪一項演奏方式不會影響弦樂器的聲音高低?
小自ALL1

Quiz
•
Physics
•
6th Grade
•
Medium
Rusber Ru
Used 8+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
改變弦的鬆緊
改變弦的長短
撥動不同粗細的弦
撥動弦的力量不同
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
彈奏吉他時,手不斷改變按壓琴頸的位置,這是利用改變什麼條件控制聲音的高低?
弦的長短
弦的鬆緊
空氣柱的粗細
空氣柱的長短
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
吹奏直笛時,按住的笛孔愈少,吹出的音就會愈高。這是因為
笛孔振動變多
笛管內的空氣柱變長
笛管內的空氣柱變短
笛孔振動變少
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
大賣場貨架上物品散落一地,天花板上燈具也搖晃不定,這是發生哪一種災害?
寒害
地震
焚風
火災
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
地震後,必須注意下列哪一個事項?
使用瓦斯煮水
檢查家中有無龜裂並注意餘震
到海邊觀看是否有海嘯發生
準備沙包
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
目前無法預知地震,因此平時怎麼做才能防震?
把握時間玩樂
不用去理會
隨時提心吊膽
和家人討論避難路線
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
製作「旋轉的線圈」時,利用砂紙磨除漆包線的漆,主要的目的是
讓電線柔軟
導電
美觀
使電線尖銳
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