四年级科学 复杂机械
4th - 6th Grade
•10 Qs
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四年级科学 复杂机械
Quiz
•
Science
•
4th - 6th Grade
•
Practice Problem
•
Hard
YAP BOON SIONG 叶文雄
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10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
自行车是由哪种简单机械组成？(答案有四个）
轮轴
齿轮
杠杆
螺旋
尖劈
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
剪刀是由哪种简单机械组成？(答案有两个）
轮轴
齿轮
杠杆
螺旋
尖劈
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
手摇钻是由哪种简单机械组成？(答案有三个）
斜面
齿轮
轮轴
螺旋
尖劈
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
手推车是由哪种简单机械组成？(答案有三个）
斜面
齿轮
轮轴
螺旋
杠杆
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
起重机是由哪种简单机械组成？(答案有三个）
斜面
齿轮
轮轴
滑轮
杠杆
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
钓鱼竿是由哪种简单机械组成？(答案有两个）
斜面
齿轮
轮轴
滑轮
杠杆
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
铅笔刨是由哪种简单机械组成？(答案有两个）
尖劈
齿轮
轮轴
滑轮
杠杆
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