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【单选题】
自从第一台电子计算机问世以来,信息系统经历了由低级到高级,由单机到网络,由数据处理到智能处理,由集中式计算到云计算的发展历程。以下关于云计算的叙述中,( )是不正确的。
A.
云计算凭借数量庞大的云服务器为用户提供远远超服务器的处理能力
B.
云计算支持用户在任意位置获取应用服务,云计算服务包括IaaS、PaaS、SaaS
C.
云计算的扩展性极低,一旦需要扩展,需要推翻全部数据模型
D.
云计算可以构造不同的应用,同一个“云”可以同时支撑不同的应用运行
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是肾脏近球小体（球旁器）中的颗粒细胞分泌的
B.
使肾小球滤过率减少
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引起血中血管紧张素Ⅱ增多
D.
引起血中醛固酮增多
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引起血压升高
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【单选题】下列有关肾素的描述，正确的有
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由近端小管细胞分泌
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是激活血管紧张素系统的启动因子
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当入球小动脉血压降低时分泌增多
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当肾交感神经兴奋时释放减少
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【多选题】有关 肾素的描述正确的有 ( )
A.
是肾脏近球小体中的近球细胞分泌的
B.
使肾小球滤过率减少
C.
引起血中血管紧张素Ⅱ增多
D.
引起血中醛固酮增多
E.
引起血压升高
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Had it not been for the contribution that each of you has made
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immerse yourself in a language learning environment
C.
serve as an excellent source of inspiration for designers
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precluded from health care services
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【多选题】下列有关肾素的描述，正确的有（）
A.
由近端小管细胞分泌
B.
是激活血管紧张素系统的启动因子
C.
当入球小动脉血压降低时分泌增多
D.
当肾交感神经兴奋时释放减少
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【单选题】听力原文：M: Excuse me, can you tell me if this bus goes to the People's park? W: I'm afraid I can't. I'm a stranger here myself. Q: Why can't the woman give the man directions? (5)
A.
Because she is too weak to say much.
B.
Because she is not familiar with the area.
C.
Because she has lived here for a 'long time.
D.
Because she has never taken the bus before.
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【单选题】听力原文：M: Excuse me, can you tell me if this bus goes to the city center? W: No, I'm afraid I can't. I've only been here for a few days myself. Why can't the woman give the man direction?
A.
She is not familiar with the place.
B.
She has never heard the place.
C.
She has never taken the bus before.
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【单选题】听力原文：M: Maria, I know you've arrived here only recently. Can you tell me if there is anything that has surprised you about British people? W: People here are more serious than that in Spain. Spanish p...
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C.
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相关题目：
【多选题】有关 肾素的描述正确的有 ( )
A.
是肾脏近球小体（球旁器）中的颗粒细胞分泌的
B.
使肾小球滤过率减少
C.
引起血中血管紧张素Ⅱ增多
D.
引起血中醛固酮增多
E.
引起血压升高
查看完整题目与答案
【单选题】下列有关肾素的描述，正确的有
A.
由近端小管细胞分泌
B.
是激活血管紧张素系统的启动因子
C.
当入球小动脉血压降低时分泌增多
D.
当肾交感神经兴奋时释放减少
查看完整题目与答案
【单选题】下列不可作为java语言修饰符的是
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a1
B.
$1
C.
_1
D.
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【判断题】老型汽车空调中风机调速采用调速模块的方式。
A.
正确
B.
错误
查看完整题目与答案
【多选题】有关 肾素的描述正确的有 ( )
A.
是肾脏近球小体中的近球细胞分泌的
B.
使肾小球滤过率减少
C.
引起血中血管紧张素Ⅱ增多
D.
引起血中醛固酮增多
E.
引起血压升高
查看完整题目与答案
【单选题】可作为设计师极好的灵感源泉
A.
Had it not been for the contribution that each of you has made
B.
immerse yourself in a language learning environment
C.
serve as an excellent source of inspiration for designers
D.
precluded from health care services
查看完整题目与答案
【多选题】下列有关肾素的描述，正确的有（）
A.
由近端小管细胞分泌
B.
是激活血管紧张素系统的启动因子
C.
当入球小动脉血压降低时分泌增多
D.
当肾交感神经兴奋时释放减少
查看完整题目与答案
【单选题】听力原文：M: Excuse me, can you tell me if this bus goes to the People's park? W: I'm afraid I can't. I'm a stranger here myself. Q: Why can't the woman give the man directions? (5)
A.
Because she is too weak to say much.
B.
Because she is not familiar with the area.
C.
Because she has lived here for a 'long time.
D.
Because she has never taken the bus before.
查看完整题目与答案
【单选题】听力原文：M: Excuse me, can you tell me if this bus goes to the city center? W: No, I'm afraid I can't. I've only been here for a few days myself. Why can't the woman give the man direction?
A.
She is not familiar with the place.
B.
She has never heard the place.
C.
She has never taken the bus before.
查看完整题目与答案
【单选题】听力原文：M: Maria, I know you've arrived here only recently. Can you tell me if there is anything that has surprised you about British people? W: People here are more serious than that in Spain. Spanish p...
A.
England.
B.
Poland.
C.
Spain.
查看完整题目与答案