【单选题】关于化学势的概念,下列说法哪个是不恰当的?( )
D.
纯物质 B 的化学势就是 B 的摩尔吉布斯函数
【单选题】— What are you doing here? — Oh, my teacher asked me to write a passage about _____ in English. — You can write _____ passage in English. [ ]
A.
600 words; a 600-words
D.
600-words; a 600-words
【简答题】630年,率兵直逼麦加城下。麦加贵族承认他是 政治 和 领袖。从此他势力日益壮大,不久基本上统一了 。
【单选题】老师很担心同一批学生在第二次参加同样内容的人格测试时分数与上次不同,他所担心的是下列哪一个概念反映的内容?( )
【单选题】Listen to two short conversations and choose the best answer to each question you hear.
A.
The woman had been planning for the conference.
B.
The woman called the man but the line was busy.
C.
The woman didn’t come back until midnight.
D.
The woman had guests all evening.
【简答题】Listen to the two short conversation and choose the best answer to each question.
【简答题】关于化学势概念,下列哪个说法是不恰当的? (A) 偏摩尔吉布斯函数是化学势 (B) 化学势是强度性质 (C) 化学势与系统的浓度无关 (D) 纯物质B的化学势就是B的摩尔吉布斯函数