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【多选题】
国际单位制中,下列计量单位名称、单位符号正确且属于基本单位的是( )A.
.坎,cd
B.
伏特,V
C.
热力学温度,K
D.
瓦特,W
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【简答题】His desire to make his son a pianist was so (strength) that he spent nearly all his savings to buy him a piano.
【单选题】已知在1mol/L HCl中 =1.00V， =0.68V。以K 2 Cr 2 O 7 滴定Fe 2+ 时，下列指示剂中最合适的是( )
A.
二苯胺( =0.76V)
B.
二甲基邻二氮菲-Fe 2+ ( =0.97V)
C.
亚甲基蓝( =0.53V)
D.
中性红( =0.24V)
【简答题】His desire to make his son a pianist was so _______ that he spent nearly all his saving to by him a piano. (strength)
【单选题】已知在1 mol/L HCl 中, 计算以 Fe3+滴定Sn2+至 99.9%、100%、100.1%时的电位分别为多少? ( )
A.
0.50 V、 0.41 V、 0.32 V ;
B.
0.17 V、 0.32 V、 0.56 V
C.
0.23 V、 0.41 V、 0.50 V ;
D.
0.23 V、 0.32 V、 0.50 V
【单选题】The desire to make education subservient to the desire of industry is attractive because ______.
A.
the goals are easier to define and measure
B.
some people take a wider view of education
C.
economic competition is so intense these days
D.
the youth are lacking the skills to compete in the modern economy
【单选题】已知在1mol·L -1 HCl介质中， ， =0.68V，以0.01667mol·L -1 K 2 Cr 2 O 7 滴定0.1000mol。L -1 的Fe 2+ 时，应选择下述哪种指示剂?
A.
二苯胺( =0.76V)
B.
二甲基邻二氮菲-Fe 3+ ( =0.97V)
C.
中性红( =0.24V)
D.
亚甲基蓝( =0.53V)
【简答题】席尔认为,压力源是引起全身系统反应的各种刺激,个体对压力源的认知评价分为两种:________、__________。
【单选题】His desire to ______ other people has caused trouble in his family.
A.
please
B.
dominate
C.
force
D.
urge
【简答题】The desire to make explorations is born with man. Wherever his imagination goes, man also has a strong wish to go. A large part of human history is connected with the exploration of the world in which...
【简答题】阅读理解。 The desire to make explorations is born with man. Wherever his imagination goes, man also has a strong wish to go. A large part human history is connected with the exploration of the world in wh...
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