6年级设计与工艺:单元一练习一

Quiz
•
Other
•
1st - 2nd Grade
•
Medium
GOH Moe
Used 269+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
电动自行车是以_______来驱动的。
发电机
电动机
干电池
蓄电池
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
聚氯乙烯的英文名叫:
PRC
PCV
PVC
PRD
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
聚氯乙烯是一种:
塑料
木料
铁
矿物
4.
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
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?请选出两个适合的答案。
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
20 sec • 1 pt
我们用凿子来在木板上_____和_______。
转动齿轮, 固定齿轮
挖槽, 打榫眼
挖洞, 打铁钉
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