油库、油处理站及储油区,应严格执行防火防爆制度。
参考答案:对
— How often do you exercise?
— ever. Because I am very busy with my work.
A.Hardly
B.Nearly
C.Always
D.Almost
手工挤奶最常用的方法是()。该方法是用()紧握 * * 基部,然后用其余各指()压榨 * * ,将乳汁挤出。