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問答題
自行車的車把不是輪軸（）
A.正確
B．錯(cuò)誤
B．錯(cuò)誤
答案：
B．錯(cuò)誤自行車的車把實(shí)際上是一個(gè)輪軸的實(shí)例。輪軸是一種簡單機(jī)械，由一個(gè)輪子（或稱為“輪”）和一個(gè)軸組成，輪子可以繞軸旋轉(zhuǎn)...
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concern appreciate chip heap amuse suck heal bleed somehow amaze 9. She has got used to milk through a straw though she is only two months old.
答案：
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