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【简答题】
企业营销人员研究的经济环境主要包括 ( )、 ( )、 ( )、 ( )。
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【单选题】Which cutting parameter has the main contribution for changing the cutting speed?
A.
Spindle rotating speed
B.
Feed speed
C.
Cutting depth
D.
Cutting tool geometry
【单选题】The moment _____ Leo will never forget is _____ Mr. Smith gave him a lot of valuable advice on how to improve his writing.
A.
that; that
B.
when; that
C.
when; /
D.
that; when
【单选题】The moment ________ Leo will never forget is________ Mr. Smith gave him a lot of valuable advice on how to improve his writing.
A.
that; when
B.
that; that
C.
when; that
D.
when; /
【多选题】According to the different structures of the machine parts, different types of cutting surfaces can be used. The cutting surfaces include .
A.
Single cutting plane
B.
Several intersecting cutting planes
C.
Several parallel cutting planes
D.
Single cylindrical surface
【单选题】My uncle is a butcher, who is skilled at the pork.
A.
cutting down
B.
cutting up
C.
cutting off
D.
cutting out
【简答题】The moment ________ Leo will never forget is ________ Mr. Green gave him a lot of valuable advice on how to improve his writing.
【单选题】The article is too long. It needs _______ a little.
A.
cutting off
B.
cutting down
C.
cutting up
D.
cutting out
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