Mozart, who is well known to the world,

搜题请搜索小程序“爱下问搜题”

问题选择题

Mozart, who is well known to the world, was a _______ in music. [ ]

A. native

B. ability

C. genius

D. capability

答案

答案：C

单项选择题

Speaker A: What seems to be the problem with the blouse, miss Speaker B:_____

A．How do you know I have a problem with the blouse

B．No, thank you. There is nothing wrong with the blouse.

C．I was not careful and spilled some coffee on it.

D．Well, look what happened the first time I washed it. The color changed completely.

选择题

已知与足量的10 mol/L硫酸混合微热，产生下列现象：

①有红色金属生成 ②产生刺激性气味的气体 ③溶液呈现蓝色

据此判断下列说法正确的是 [ ]

A．反应中硫酸作氧化剂

B．中硫元素被氧化

C．刺激性气味的气体是氨气

D．1 mol 完全反应转移0.5 mol电子