6.5升=______毫升
25平方分米=______平方米.
(1)6.5升=6500毫升;
(2)25平方分米=0.25平方米;
故答案为:6500,0.25.
_____ of the students in our class _____ interested in micro blogs (微博) on the Internet.[ ]
A. Two fifths; is
B. Two fifths; are
C. Two five; is
D. Two-five; are
用图中简单机械,使重量为G的物体都处于静止状态,其中用力最大的是(不计摩擦和杠杆、滑轮的自重)
A. F1
B. F2
C. F3
D. F4