一个平底锅,每次只能烙2张鸡蛋饼,两面都要烙,烙每面需要3分钟,那么烙5张鸡蛋饼最少需要[ ]
A.10分钟
B.15分钟
C.20分钟
D.30分钟
答案:B
— I think you should phone Jenny and say sorry to her.
— _____. It was her fault. [ ]
A. No way
B. Not impossible
C. No chance
D. Not at all
漏电保护器的单相负荷可以在漏电保护器两端跨接。第五章P83