生活小发明
Quiz
•
Other
•
1st - 5th Grade
•
Hard
Ng Shok Ee
Used 3+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
聚氯乙烯的英文名叫:
PRC
PCV
PVC
PRD
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
聚氯乙烯是一种:
塑料
木料
铁
矿物
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下皆是聚氯乙烯的特质, 除了
质轻
容易加工
隔热
易溶于水
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
聚氯乙烯适合用来制造以下的产品, 如:
液晶电视的屏幕
洗发剂的瓶子
机器壳体
水管
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
萨米是一家做广告招牌的老板。 他要使用有机玻璃来当材料。 为什么他选择有机玻璃?请选出适合的答案。
易染色
易破裂
易加工
易融化
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
这是什么?
手弓锯
手锯
线锯机
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用线据机是我们必须做到以下才能确保安全, 除了:
戴围裙、 护眼镜和手套
长发的同学必须绑好头发
线据机启动后, 可以用手去触摸线锯条易检查机器是否操作。
工作签, 先确认要据的木料上没有钉子
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