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【单选题】
引起I型呼吸衰竭最常见的疾病是A.
慢性支气管炎
B.
阻塞性肺气肿
C.
气管异物
D.
气胸
E.
呼吸窘迫综合征
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举一反三
【单选题】“Why did he always dread asking them for their rent money?”“he knew it would end in an argument．”
A.
As
B.
Because
C.
For
D.
Since
【单选题】11若变量已正确定义,要求用语句: scanf("%f%c%f%c",&a,&c1,&b,&c2);给c1赋予字符%,给c2赋予字符#,给a赋于2.0,给b赋予4.0,则正确的输人形式是(_代表空格, 代表Enter键)
A.
2.0_%_4.0_#
B.
2.0%_4_#
C.
2%_ _4#
D.
2_%_4_#
【单选题】若变量已正确定义,要求用语句: scanf("%f%c%f%c",&a,&c1,&b,&c2); 给c1赋予字符%、给c2赋予字符#、给a赋予2.0、给b赋予4.0,则正确的输入形式是(□代表空格, 代表Enter键)
A.
2.0□%□4.0□#
B.
2.0%4.0□#
C.
2%□□4#
D.
2□%□4□#
【单选题】Why would a company issue commercial paper?______.
A.
Because it can essentially print money.
B.
Because it needs to finance large projects and expansions.
C.
Because it needs to finance short term items like account receivables and inventories.
D.
All of the above.
【单选题】Why didn't Peter take more money from the bank?
A.
He was afraid that be would be caught on the spot.
B.
The maximum sum allowed was ＄5,000.
C.
He was limited by time and the size of his pockets.
D.
Large bills were not within his reach.
【单选题】若变量已正确定义,要求用语句: scanf("%f%c%f%c",&a,&c1,&b,&c2);给c1赋予字符%,给c2赋予字符#,给a赋于2.0,给b赋予4.0,则正确的输人形式是(_代表空格, 代表Enter键)
A.
2.0_%_4.0_#
B.
2.0%_4_#
C.
2%_ _4#
D.
2_%_4_#
【简答题】某存储管理系统中一进程的页表如下所示,逻辑地址: 1431 , 531 , 4500 所对应的物理地址(块大小为 1024 B )分别是什么? 页 号 块 号 ... 0 6 1 12 2 8 3 9 4 10
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