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【单选题】
皂化值是指 ( )
A.
在规定条件下,中和皂化 1g 试样所消耗氢氧化钾的毫克数
B.
在规定条件下,中和皂化 100g 试样所消耗氢氧化钾的克数
C.
在规定条件下,中和皂化 100g 试样所消耗氢氧化钾的毫克数
D.
在规定条件下,中和皂化 1g 试样所消耗氢氧化钾的克数
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【多选题】在MSR路由器RTA上执行displaospfinterface命令后,路由器输出如下: 从以上输出可以判断出()
A.
RTA的OSPF进程1的RouterID是2.2.2.2
B.
当前接口的IP地址是192.168.1.1
C.
当前接口的OSPF网络类型是Broadcast
D.
RTA在该接口所处的网段中被选举为DR
【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
【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
【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
【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
【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
【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.
【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.
【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.
【判断题】回归系数估计中使用最广泛的方法是最小二乘法。
A.
正确
B.
错误
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