【简答题】在 298K 时,若要使电池 Pt|H 2 (g,P 1 )|HCl(aq)|
H 2 (g,P 2 )| Pt 的电动势 E 为正值,则 P 1 与 P 2 的大小关系为( ) (5.0分)A. P 1 = P 2 B. P 1 > P 2 C. P 1 < P 2 D. P 1 和 P 2 都可任意取值
【简答题】For this part, you are allowed thirty minutes to write a composition on the topic 'Is a Test of Spoken English Necessary'. You should write at least 120 words, and base your composition on the outline...