6下自然2-2
Authored by Anonymous Anonymous
Physics
6th Grade
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水會讓鐵製品生鏽，因此保持乾燥可以延長鐵製品的使用期限。
O
X
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
為了讓鐵製品不容易生鏽，應避免鐵製品時常接觸水和空氣。
O
X
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鐵欄杆生鏽後，會使鐵欄杆結構變得脆弱，容易影響使用者的安全。
O
X
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
生鏽的鐵製品結構會變得脆弱，會影響使用上的安全。
O
X
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
防止鐵製品生鏽最簡單的方法就是保持潮溼。
O
X
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鐵窗、鐵門每隔一段時間就要重新塗油漆，才能有效的防鏽。
O
X
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
只要將鐵製品隔絕水，就可以達到防鏽的目的了。
O
X
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