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【单选题】
脾为“气血生化之源”的生理基础是( )
A.
脾化生水谷精微
B.
脾主升清
C.
脾主统血
D.
脾为后天之本
E.
人以为本
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【单选题】有一碱液,可以能为 NaOH , NaHCO 3 或 Na 2 CO 3 或它们的混合物。用标准 HCl 滴定此混合物至酚酞终点时耗去的体积 V 1 ,继以甲基橙为指示剂又耗去盐酸的体积为 V 2 , 且 V 1 小于 V 2 。则此碱液为:
A.
Na 2 CO 3
B.
NaHCO 3
C.
NaOH
D.
Na 2 CO 3 +NaHCO 3
查看完整题目与答案
【单选题】患者女,50岁,慢性支气管炎病史10余年。请问慢性支气管炎的X线表现为
A.
肺部有阴影
B.
肺内有液平面
C.
肺大疱征象
D.
肺纹理增粗
E.
肺透亮度增加
查看完整题目与答案
【判断题】在经济学里,效用和欲望是同一个概念。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The explorers______despite the food shortage and harsh weather.
A.
outlived
B.
endured
C.
survived
D.
subsisted
查看完整题目与答案
【简答题】给Vehicle类添加一个refuel方法，它期望两个参数：fuelQuantity和milesSinceLastFueling。还要给Vehicle类添加用于totalMileage和totalFuelConsumed的实例变量。此外，添加一个名为fuelEconomy的访问器方法，它将返回车辆每加仑行驶的总英里数。在Skateboard的实例上调用refuel方法时，你将做什么以使该方法正确工...
查看完整题目与答案
【单选题】Julien and Steve seem to suggest that
A.
eBay should further cooperate with Google to survive.
B.
eBay should form. an alliance with Yahoo! or Microsoft.
C.
Google is making smaller revenues than eBay.
D.
Google's core business has already shrank by 3%.
查看完整题目与答案
【简答题】将明文数据进行某种变换，使其成为语义上不可理解的形式，这个过程称之为__________________。
查看完整题目与答案
【判断题】在装配图中,弹簧钢丝直径 ≤ 1mm 时,可采用示意画法。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Since the routine use of antibiotics can give rise to resistant bacteria capable of surviving antibiotic environments, the presence of resistant bacteria in people could be due to the human use of pre...
A.
Antibiotics are routinely included in livestock feed so that livestock producers can increase the rate of growth of their animals.
B.
Most people who develop food poisoning from bacterially infected meat are treated with prescription antibiotics.
C.
The incidence of resistant bacteria in people has tended to be much higher in urban areas than in rural areas where meat is of comparable quality.
D.
People who have never taken prescription antibiotics are those least likely to develop resistant bacteria.
E.
Livestock producers claim that resistant bacteria in animals cannot be transmitted to people through infected meat.
查看完整题目与答案
【单选题】有一碱液,可能为NaOH、NaHCO3或Na2CO3或它们的混合物,用HCl标准滴定溶液滴定至酚酞终点时耗去HCl的体积为V1,继续以甲基橙为指示剂又耗去HCl的体积为V2,且V1
A.
Na2CO3
B.
Na2CO3 + NaHCO3
C.
NaHCO3
D.
NaOH + Na2CO3
查看完整题目与答案
相关题目：
【单选题】有一碱液,可以能为 NaOH , NaHCO 3 或 Na 2 CO 3 或它们的混合物。用标准 HCl 滴定此混合物至酚酞终点时耗去的体积 V 1 ,继以甲基橙为指示剂又耗去盐酸的体积为 V 2 , 且 V 1 小于 V 2 。则此碱液为:
A.
Na 2 CO 3
B.
NaHCO 3
C.
NaOH
D.
Na 2 CO 3 +NaHCO 3
查看完整题目与答案
【单选题】患者女,50岁,慢性支气管炎病史10余年。请问慢性支气管炎的X线表现为
A.
肺部有阴影
B.
肺内有液平面
C.
肺大疱征象
D.
肺纹理增粗
E.
肺透亮度增加
查看完整题目与答案
【判断题】在经济学里,效用和欲望是同一个概念。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The explorers______despite the food shortage and harsh weather.
A.
outlived
B.
endured
C.
survived
D.
subsisted
查看完整题目与答案
【简答题】给Vehicle类添加一个refuel方法，它期望两个参数：fuelQuantity和milesSinceLastFueling。还要给Vehicle类添加用于totalMileage和totalFuelConsumed的实例变量。此外，添加一个名为fuelEconomy的访问器方法，它将返回车辆每加仑行驶的总英里数。在Skateboard的实例上调用refuel方法时，你将做什么以使该方法正确工...
查看完整题目与答案
【单选题】Julien and Steve seem to suggest that
A.
eBay should further cooperate with Google to survive.
B.
eBay should form. an alliance with Yahoo! or Microsoft.
C.
Google is making smaller revenues than eBay.
D.
Google's core business has already shrank by 3%.
查看完整题目与答案
【简答题】将明文数据进行某种变换，使其成为语义上不可理解的形式，这个过程称之为__________________。
查看完整题目与答案
【判断题】在装配图中,弹簧钢丝直径 ≤ 1mm 时,可采用示意画法。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Since the routine use of antibiotics can give rise to resistant bacteria capable of surviving antibiotic environments, the presence of resistant bacteria in people could be due to the human use of pre...
A.
Antibiotics are routinely included in livestock feed so that livestock producers can increase the rate of growth of their animals.
B.
Most people who develop food poisoning from bacterially infected meat are treated with prescription antibiotics.
C.
The incidence of resistant bacteria in people has tended to be much higher in urban areas than in rural areas where meat is of comparable quality.
D.
People who have never taken prescription antibiotics are those least likely to develop resistant bacteria.
E.
Livestock producers claim that resistant bacteria in animals cannot be transmitted to people through infected meat.
查看完整题目与答案
【单选题】有一碱液,可能为NaOH、NaHCO3或Na2CO3或它们的混合物,用HCl标准滴定溶液滴定至酚酞终点时耗去HCl的体积为V1,继续以甲基橙为指示剂又耗去HCl的体积为V2,且V1
A.
Na2CO3
B.
Na2CO3 + NaHCO3
C.
NaHCO3
D.
NaOH + Na2CO3
查看完整题目与答案