【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 30 minutes to write a short essay entitled A Word about 'Teaching to the Test' in three or four paragraphs. You should write at least 120 words following the outline giv...
【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...