《规程》规定：严禁用口令、敲管子等方法传送信号。严禁在交接班及人员上下井时间内运送爆破物品物品。
参考答案：对
She is _____ a teacher. She loves you like your mother. [ ]
A. no more than
B. more than
C. not more than
D. at most
淀粉酶属于第（）类酶。
