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【单选题】
,因十二指肠溃疡并发瘢痕性幽门梗阻,反复呕吐宿食,消瘦,皮肤干燥,弹性消失,入院后经充分术前准备,在硬膜外麻醉下行胃大部切除术。术后若发生胃肠吻合口出血,最早出现的临床表现是A.
脉搏细速，血压下降
B.
烦躁不安，面色苍白
C.
尿量减少，四肢湿冷
D.
头晕、心悸、出冷汗
E.
胃管内吸出大量血液
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举一反三
【单选题】Which method is used to supply inert gas from a flue gas system to the cargo tanks?
A.
Exhaust gas pressure from the stack
B.
High capacity fan
C.
Inert gas compressor
D.
Natural aspiration
【单选题】ABOUT CONCLUSION Which method is used in the conclusion of "Teenagers and Jobs?"
A.
summary only
B.
summary and recommendation
C.
prediction
【单选题】Which method is used when booking the costs of the units sold in the p/l sheet during a certain accouting period?
A.
"Cost of sales" method
B.
"Total expenditure" method
【单选题】Which method is used to connect a remote computer?
A.
Device
B.
Dialup
C.
Diagnostic
D.
Logic circuit
【单选题】Which method is used to assign weights to various features of a system?
A.
information systems plan
B.
scoring model
C.
portfolio analysis
D.
TCO
E.
real options model
【单选题】Which method is used to detect rot in manila lines ________.
A.
Feeling the surface of the line for broken fibers
B.
Measuring the reduction in circumference of the line
C.
Observing for the appearance of mildew on the outer surface
D.
Opening the strands and examining the inner fibers
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