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【单选题】
下面手功能中属于最精细功能的是哪一个A.
侧捏
B.
指尖一指尖
C.
指腹一指腹
D.
球形抓
E.
圆柱形抓
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反馈参考答案：
举一反三
【简答题】简述凸轮设计中反转法原理?
【单选题】-Who is the little baby in the photo, Susan? -It's me. This photo ten years ago. [ ]
A.
takes
B.
is taken
C.
took
D.
was taken
【单选题】—Who is the little girl in the photo, Kate? —It’s me. The photo ten years ago.
A.
takes
B.
took
C.
is taken
D.
was taken
【单选题】一Who is the little girl in the photo, Kate? 一It’s me. The photo ten years ago.
A.
takes
B.
took
C.
is taken
D.
was taken
【单选题】Who is the awful little man?
A.
He is the person who is in charge of the parking lot.
B.
He is the person who always parks his car here.
C.
He is the author's friend.
D.
He is a clerk in the post office.
【单选题】( )—Who is the little girl in the photo, Kate?
A.
t's me. The photo ________ ten years ago.
B.
takes
C.
took
D.
is taken
E.
was taken
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