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【单选题】
下列仪器不能用于加热的是 [     ]
A.
试管
B.
量筒
C.
坩埚
D.
烧杯
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举一反三
【单选题】检査小家畜脉搏常用的部位是( )。
A.
尾中动脉
B.
颌外动脉
C.
股动脉
D.
颈静脉
【简答题】A.Those who are successful in their own country. B.Those who have no hobbies that they enjoy in their own community. C.Those who have no apartment in the new country. D.Those who are from developed co...
【单选题】万一发生电气火灾,首先应该采取的第一条措施是
A.
打电话报警
B.
切断电源
C.
扑灭明火
D.
求援
【单选题】万一发生电气火灾,首先应采取的第一条措施是( )。
A.
打电话报警
B.
切断电源
C.
扑灭明火
D.
寻求救援
【单选题】发生电气火灾首先应采取的第一条措施是
A.
打电话报警
B.
切断电源
C.
扑灭明火
D.
求援
【单选题】下列电池的电动势与氯离子活度无关的是
A.
Zn|ZnCl 2 (aq)|Cl 2 ( p ) |Pt
B.
Zn|ZnCl 2 (aq)|KCl(aq)|AgCl|Ag
C.
Ag|AgCl|KCl(aq)|Cl 2 ( p ) |Pt
D.
Pt|H 2 ( p )|HCl(aq)|Cl 2 ( p ) |Pt
【单选题】序号8对应的房屋构造名称是
A.
门窗
B.
门洞
C.
D.
门槛
【简答题】A.Those who have heart attacks. B.Those who have the desire to be physically fit. C.Those who have spare time. D.Those who have inactive jobs.
【简答题】A.Those who have heart attacks. B.Those who have the desire to be physically fit. C.Those who have spare time. D.Those who have inactive jobs.
【单选题】下列电池的电动势与氯离子活度无关的是()
A.
Zn|Zn(Cl)2(aq)|Cl2(g,p),Pt
B.
Zn|Zn(Cl)2(aq)‖KCl(aq)|AgCl,Ag
C.
Ag,AgCl|KCl(aq)|Cl2(g,p),Pt
D.
Pt,H2(g,p)|HCl(aq)|Cl2(g,p),Pt
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