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【单选题】
男性患者，有十二指肠溃疡病史，最近感觉上腹部饱胀不适及呕吐，餐后疼痛加重。体格检查见胃型和胃蠕动波，空腹检查胃内有振水音，抽出胃液250ML。关于该患者出现的并发症，下列正确的是（）A.
癌变
B.
出血
C.
穿孔
D.
幽门梗阻
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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
【简答题】Nanjing-style paper cutting is an important part of Chinese paper cutting. It is known for its different designs, simplistic but graceful shapes, finely cut lines and unique skills. Zhang Fanglin is a...
【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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