選擇題:下列哪種方法可以防止鐵器生銹?

常識問題_生活小智慧

Quiz
•
Other
•
9th Grade
•
Hard
5D-黃慧蘭老師 LAN
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11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A.把鐵器存放在通風濕潤的地方。
B.在鐵器表面塗上油漆。
C.把鐵器隨意存放。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
選擇題:電磁鐵與一般的磁鐵不同的是( )。
A、磁力大小可以改變
B、沒有南北極
C、不能指示方向
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
選擇題:電動機是( )的機器。
A、動力產生磁
B、電產生動力
C、磁產生電
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
選擇題:下列用電器中,利用了電的熱效應的是( )。
A、電燈
B、電烤箱
C、電視機
D、電吹風
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
填充題:電從發電廠到用户的傳播路徑是( )( )( )( )。
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
填充題:香港兩家較大的發電廠分別為( )( ),主要的發電燃料是( )。
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
填充題:正在廚房洗菜的曉彤突然看到旁邊電水壺的水燒開了,她立即伸手去拔水壺的電源插頭,她這樣做安全嗎?( ) 原因是( )。
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