设计与工艺
Authored by choon how
Instructional Technology
6th Grade
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
____是一种穿在轮子中间的杆子。
链轮
齿轮
轴
滑轮
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_____是一种边缘呈齿状的轮子。
轴
齿轮
滑轮
链轮
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_____是一种有沟槽的轮子，用于带动传动带。
轴
齿轮
链轮
滑轮
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_____是一种边缘呈嵌齿式的轮子。
链轮
滑轮
齿轮
轴
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_____可以把电能转换成动能。
太阳能电池
电池盒
电机
蓄电池
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
______提供电能，电力耗尽后可充电。
电机
蓄电池
干电池
太阳能电池
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_____用于安装蓄电池。
电池盒
蓄电池
太阳能电池
电机
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