皮皮学，免费搜题
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搜题
【多选题】
光学分度头可用来检测( )等要求具有精密等分的工件。A.
外
B.
拉刀
C.
铣刀
D.
齿轮
E.
凸轮
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】What is the title of the course?
A.
The survey of China's history.
B.
The survey of China's food.
C.
The survey of China's Culture including its Country Profile, Life and Art, Modern China’s Story and etc.
D.
The survey of China's achievement.
【简答题】镜像的快捷键
【单选题】What is the title of the quiz?
A.
How good is your memory?
B.
How much is your memory?
C.
How much do you know about memory?
D.
Have you got a good memory?
【单选题】What is the title of the passage?
A.
The unjust treatment to American black males.
B.
The unemployment and lack of education of American blacks.
C.
The awful living state of American black males.
D.
The social and economic degradation of U. S.
【简答题】What is the title of the invention?It is ______.
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