【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】以下说法错误的是:
A.
爱迪生最大的贡献是基于前人失败的经验将电灯泡进行研发和量产。
C.
携程把互联网思维用在酒店预订、机票购买上完善了OTA线上旅行社的商业模式。
D.
类比只能通过观察自身行业,寻找产品设计灵感。
【单选题】(2017年高考·单项选择题)小明忘记了先前设置的CMOS密码,为了清除旧密码,他先关闭了计算机电源,然后打开主机箱,在电池附近找到如第4题图所示的跳线开关,用镊子将跳线帽()
A.
从1,2脚位置换到2,3脚上,并停留在2,3脚位置
B.
从1,2脚位置换到2,3脚上,再插回1,2脚位置
C.
从2,3脚位置换到1,2脚上,再插回2.3脚位置
D.
从2,3脚位置换到1,2脚上,并停留在1,2脚位置
【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
【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