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【单选题】
女性,58岁。确诊为慢性阻塞性肺疾病 15 年,加重一入院。入院时神志清楚,动脉血气分析示 PaCO2 50mmHg , PaO2 45mmHg. 吸入 40 %浓度氧后,患者不应,查动脉血气分析示 PaCO2 90mmHg , PaO2 75mmHg. 患者出现意识障碍的原因是A.
感染加重
B.
气道阻力增加
C.
呼吸中枢受到抑制
D.
感染中毒性脑病
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举一反三
【单选题】有如下程序段,从键盘输入数据的正确形式应是()。 float x,y,z; scanf("x=%d,y=%d,z=%d",&x,&y,&z);
A.
123
B.
x=1,y=2,z=3
C.
1,2,3
D.
x=1 y=2 z=3
【单选题】有如下程序段,从键盘输入数据的正确形式应是 ( ) 。 int x, y, Z; scanf("%=‰d,y=‰d,z=%",8a,&y,8z);
A.
123
B.
x=1,y=2,z=3
C.
1,2,3
D.
x=1 凵 y=2 凵 z=3
【单选题】Long Conversation Directions: Listen to a long conversation and choose the best ans wer to each question you hear. 1.
A.
One or two times.
B.
Two or three times.
C.
Three or four times.
D.
Four or five times.
【单选题】有如下程序段,从键盘输入数据的正确形式应是( )。 int x,y,z; scanf("x=%d,y=%d,z=%d",&a,&y,&z);
A.
123
B.
x=1,y=2,z=3
C.
1,2,3
D.
x=1 y=2 z=3
【单选题】Most Chinese parents would prefer to choose some professions that are stable ans could bring () and economic benefits.
A.
dedication
B.
prestige
C.
pursuit
【单选题】Long Conversation Directions: Listen to a long conversation and choose the best ans wer to each question you hear. 1.
A.
To get permission to attend his class.
B.
To get permission to quit his class.
C.
To get permission for a sick leave.
D.
To get permission to get her essay back.
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