题干
In our city, middle school students want to work as a teacher in the future.
A：thousand
B：thousand of
C：thousands of
D：two thousand of
答案(点此获取答案解析）
C
In our city, middle school students want to work as a teacher in the future.
A：thousand
B：thousand of
C：thousands of
D：two thousand of
2NH3的速率v(N2)变化的图像，则横坐标不可能是( )
