皮皮学，免费搜题
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【单选题】
在(50，50)坐标点，钻一个深10mm的，Z轴坐标零点位于零件表面上，则( )。A.
G85 X50.0 Y50.0 Z-10.0 R0 F50
B.
G81 X50.0 Y50.0 Z-10.0 R0 F50
C.
G81 X50.0 Y50.0 Z-10.0 R5.0 F50
D.
G83 X50.0 Y50.0 Z-10.0 R5.0 F50
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皮皮学刷刷变学霸
举一反三
【单选题】He called to say he would be late home-something had come __ at the office.
A.
up
B.
in
C.
with
D.
to
【单选题】Miss Zhao opens a bottle of aseptic solution and uses part of them. How long is the solution considered as sterile after being opened
A.
6h
B.
8h
C.
12h
D.
24h
【单选题】Where is Miss Zhao? Look, ______. [ ]
A.
there is she
B.
there does she
C.
there she is
D.
there she does
【单选题】He called to say he would be late home—something had come ( ) at the office.
A.
down
B.
out
C.
with
D.
up
【单选题】He called to say he would be late home—something had come ( )at the office.
A.
up
B.
down
C.
on
D.
at
【简答题】–Lucy, our English teacher, Miss Zhao. -Glad to meet you, Miss Zhao.
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