驾驶员在狭窄的路段被别人超车感到心理不平衡，加大油门非要超过他，这种情绪是积极的激情。
参考答案：错
As ________ matter of fact,it's out of ________ question for her to finish so much work in such a
short time. [ ]
A. a; a
B. a; the
C. /; /
D. /; the
4g氢气与足量的氧气完全反应，生成水的质量是 [ ]
A．18g
B．36g
C．54g
D．9g
