六上13 生活中的機械

Quiz
•
Life Project
•
7th Grade
•
Hard
G.S. Group
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 7 pts
剪刀和指甲鉗結合了哪兩種簡單機械的原理?
齒輪和斜面
斜面和摩擦力
槓桿和斜面
滑輪和杠杆
2.
MULTIPLE CHOICE QUESTION
15 mins • 7 pts
開罐器結合了哪些簡單機械的原理?
槓桿、齒輪和斜面
滑輪和杠杆
摩擦力和斜面
齒輪和滑輪
3.
MULTIPLE CHOICE QUESTION
15 mins • 7 pts
機械在農業、工業和建築方面的應用主要是為了什麼?
降低生產成本
減少機械使用
增加人力需求
提高生產效率和產量
4.
MULTIPLE CHOICE QUESTION
15 mins • 7 pts
升降機和公共汽車的運作原理是基於什麼?
人力的操作
複雜機械的原理
簡單機械的原理
電力的使用
5.
MULTIPLE CHOICE QUESTION
15 mins • 7 pts
機械的使用對醫療方面有什麼貢獻?
降低醫療費用
減少醫療設備
增加病人數量
提升治療效果和加快康復進度
6.
MULTIPLE CHOICE QUESTION
15 mins • 7 pts
使用機械前應該做什麼?
細心閱讀說明書
隨意使用
忽略安全守則
不需要檢查
7.
MULTIPLE CHOICE QUESTION
15 mins • 7 pts
在使用機械時,我們應該注意什麼?
機械的品牌
自己和他人的安全
機械的顏色
機械的外觀
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