进行火焰矫正时,也可同时对结构施加()。
参考答案:外力
— ______ do you _____ the medicine?
— Three times a day.[ ]
A. How often; eat
B. How many times; take
C. How often; take
D. How long; have
不可带入机房的物品有()
A.酒精
B.可乐
C.方便面
D.操作说明书