皮皮学，免费搜题
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搜题
【单选题】
要使常用凸轮机构正常工作,必须以凸轮 。A.
做从动件并匀速转动
B.
做从动件并变速转动
C.
做主动件并变速转动
D.
做主动件并匀速转动
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皮皮学刷刷变学霸
举一反三
【单选题】A person may be found not liable for committing a crime if that person
A.
is over the age of eighteen.
B.
suffers from a mental disease and lacks substantial capacity to appreciate the wrongfulness of his or her acts.
C.
is voluntarily intoxicated.
D.
made a mistake of law