综采放顶煤工要与()密切配合,放煤口与采煤机距离超过“作业规程”规定时,应放慢采煤机截割速度或停止采煤机。
A.支架工
B.机头司机
C.机尾司机
D.采煤机司机
参考答案:D
_____ to drive after drinking, some drivers are still trying their luck, which is dangerous.
A.Not reminded
B.Reminded not
C.Not having been reminded
D.Having reminded not
颅内高压的主要临床表现有()
A.呼吸不规律
B.高血压
C.前囟紧张或隆起
D.惊厥、意识障碍
E.使用甘露醇后症状明显好转