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【单选题】
患者男,60岁。慢性肺源性心脏病患者。出现呼吸困难.咳嗽.下肢水肿,给予低流量持续吸氧。判断氧疗无效的指标是A.
呼吸加快
B.
尿量增加
C.
血压上升
D.
皮肤变暖
E.
心率减慢
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反馈参考答案：
举一反三
【简答题】(ambition) Alfred was intensely , obsessed with the idea of becoming rich.
【多选题】某工程双代号时标网络图如下，则下列说法中正确的是( )。
A.
工作B的LS为5
B.
工作C的LS为5
C.
工作H的FF为0
D.
工作I的FF为2
E.
工作E的TF为1
【单选题】某工程的双代号网络计划如下图所示，则其关键路径时间为 (50) 天，作业F的自由时差为 (51) 天，节点5的最迟完成时间为 (52) 天。 （50）
A.
20
B.
19
C.
16
D.
15
【单选题】The country should focus on producing the products with ( ).
A.
a bsolute advantage
B.
comparative advantage
C.
scarce resources
D.
economies of scale
【单选题】All the products should meet the criteria____ in the contract, otherwise the buyer will reject them.
A.
sets
B.
set
C.
setting
D.
be set
【简答题】While many people are attracted to the idea of becoming an astronaut, there are many ers involved, and the idea of spending so many days in space can be ( ) .
【单选题】The idea of becoming a writer had ______ me off and on since my childhood.
A.
got on
B.
haunted
C.
convinced
D.
deprived
【单选题】The idea of becoming a writer has come to me _____ since my childhood in Belleville.
A.
off and on
B.
or something
C.
right away
D.
kind of
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