当你发现突然有大量毒气散发时，应迅速戴上适合的（）。
A、防毒面具
B、眼镜
C、手套
D、口罩
参考答案：A
Liu Xiang may run even _______ after the operation because he works very hard and exercises every day. [ ]
A. fast
B. faster
C. fastest
D. the fastest
一期脱硫磨机跳闸原因有哪些？
