(1)3时=180分;
(2)30毫米<6厘米;
故答案为:=,<.
He admitted that when ____ comes to repairing a computer, he had little knowledge of it .
A.he B.that B.this D.it
驱虫药宜()
A.睡前服
B.早餐后服
C.饭后即刻服
D.空腹服
E.两餐中间服