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【单选题】
某男性病人， 52 岁，患 COPD15 年。近 3 天因急性上感病情加重，体温 37.8 ℃ ，神志恍惚，昼睡夜醒，气促、不能平卧，痰色黄、粘稠、不易咳出。血气分析示 PaO 2 56mmHg 、 PaCO 2 67mmHg 。 氧疗时给氧浓度和氧流量应为A.
29％，2L/min
B.
33％，3L/min
C.
37％，4L/min
D.
41％，5L/min
E.
45％，6L/min
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A.
for, account
B.
to, payment
C.
on, account
D.
with, payment
【简答题】淘宝直通车是淘宝网为淘宝卖家量身定制的推广工具,是通过( )竞价,按照( )付费,进行商品精准推广的服务。
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A.
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B.
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C.
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D.
figured
E.
sum
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A.
schooling and training
B.
practice in a hospital
C.
facilities he or she uses.
D.
education he or she provides
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