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【单选题】
慢性肺源性心脏病急性期呼吸衰竭给氧原则是
A.
持续高浓度给氧
B.
持续低浓度给氧
C.
不需给氧
D.
间断高浓度给氧
E.
间断低浓度给氧
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参考答案：
举一反三
【单选题】According to the passage, when docs a trade imbalance occur? When ______.
A.
a country has serious economic problem
B.
a country sells more products overseas than it imports
C.
the value of the products a country imports is greater than the value of the product it exports
D.
a country can't develop its natural resources
查看完整题目与答案
【单选题】计算机病毒的传播途径有多种,目前危害最大的病毒传播途径是( )
A.
通过软盘传染
B.
通过光盘传染
C.
通过硬盘传染
D.
通过网络传染
查看完整题目与答案
【单选题】计算机病毒的传染途径有多种,目前危害最大的传播途径是( )
A.
通过软盘传染
B.
通过硬盘传染
C.
通过光盘传染
D.
通过网络传播
查看完整题目与答案
【单选题】Passage Two Questions 62 to 66 are based on the following passage. When next year’s crop of high-school graduates arrive at Oxford University in the fall of 2009, they’ll be joined by a new face; Andr...
A.
Institutions worldwide are hiring administrators from theU.S.
B.
A lot of political activists are being recruited as administrators.
C.
American universities are enrolling more international students.
D.
University presidents are paying more attention to funding-raising.
查看完整题目与答案
【单选题】若从Windows的安装光盘来安装操作系统，那么启动电脑时，就要能够使用光驱。使用下面哪个方法可使光驱引导启动。（）
A.
启动时放入引导光盘即可直接可以使用光驱
B.
在BIOS中启动顺序设置为由光驱最先启动
C.
使用Windows操作系统安装光盘启动电脑
D.
把BIOS中启动顺序设置为由硬盘最先启动
查看完整题目与答案
【判断题】“三从四德”是指封建社会强加在妇女头上的枷锁.
A.
正确
B.
错误
查看完整题目与答案
【单选题】According to the passage, a teacher's duty is to ______.
A.
provide students with help when it is needed
B.
find out students' mistakes and correcting them
C.
teach students knowledge essential for their future life
D.
help students find out correct answers
查看完整题目与答案
【单选题】0脑干中的______严重受损可引起心跳与呼吸停止、血压下降而导致死亡。
A.
中脑
B.
延髓
C.
脑桥
查看完整题目与答案
【单选题】According to the passage, the sensitive plant's leaves move quickly when parts of the pulvini ______.
A.
drop off
B.
become limp
C.
revolve
D.
twitch
查看完整题目与答案
【单选题】OBC内部开关S2是否闭合,直接受( )控制
A.
OBC
B.
MCU
C.
VCU
D.
BMS
查看完整题目与答案
相关题目：
【单选题】According to the passage, when docs a trade imbalance occur? When ______.
A.
a country has serious economic problem
B.
a country sells more products overseas than it imports
C.
the value of the products a country imports is greater than the value of the product it exports
D.
a country can't develop its natural resources
查看完整题目与答案
【单选题】计算机病毒的传播途径有多种,目前危害最大的病毒传播途径是( )
A.
通过软盘传染
B.
通过光盘传染
C.
通过硬盘传染
D.
通过网络传染
查看完整题目与答案
【单选题】计算机病毒的传染途径有多种,目前危害最大的传播途径是( )
A.
通过软盘传染
B.
通过硬盘传染
C.
通过光盘传染
D.
通过网络传播
查看完整题目与答案
【单选题】Passage Two Questions 62 to 66 are based on the following passage. When next year’s crop of high-school graduates arrive at Oxford University in the fall of 2009, they’ll be joined by a new face; Andr...
A.
Institutions worldwide are hiring administrators from theU.S.
B.
A lot of political activists are being recruited as administrators.
C.
American universities are enrolling more international students.
D.
University presidents are paying more attention to funding-raising.
查看完整题目与答案
【单选题】若从Windows的安装光盘来安装操作系统，那么启动电脑时，就要能够使用光驱。使用下面哪个方法可使光驱引导启动。（）
A.
启动时放入引导光盘即可直接可以使用光驱
B.
在BIOS中启动顺序设置为由光驱最先启动
C.
使用Windows操作系统安装光盘启动电脑
D.
把BIOS中启动顺序设置为由硬盘最先启动
查看完整题目与答案
【判断题】“三从四德”是指封建社会强加在妇女头上的枷锁.
A.
正确
B.
错误
查看完整题目与答案
【单选题】According to the passage, a teacher's duty is to ______.
A.
provide students with help when it is needed
B.
find out students' mistakes and correcting them
C.
teach students knowledge essential for their future life
D.
help students find out correct answers
查看完整题目与答案
【单选题】0脑干中的______严重受损可引起心跳与呼吸停止、血压下降而导致死亡。
A.
中脑
B.
延髓
C.
脑桥
查看完整题目与答案
【单选题】According to the passage, the sensitive plant's leaves move quickly when parts of the pulvini ______.
A.
drop off
B.
become limp
C.
revolve
D.
twitch
查看完整题目与答案
【单选题】OBC内部开关S2是否闭合,直接受( )控制
A.
OBC
B.
MCU
C.
VCU
D.
BMS
查看完整题目与答案
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