一个正方体油箱,从里面量棱长是4分米,如果每升油重0.75千克,这个油箱最多可装油多少千克?
4×4×4=64(立方分米),64立方分米=64升,0.75×64=48(千克)
Jim
是一名中学生,现在的他与两年前有很大的不同。请根据提示完成作文,80词左右。
Two years ago
Now
a primary school student
a middle school student
short,thin,quiet
tall,outgoing,a little heavy
hardly exercise
exercise every day
like junk food
like ,fruit and vegetables
drink milk,healthy
lazy
more hard-working,
get better grades
T8压缩性骨折,应选用下列哪种内固定().
A.DCP
B.Dick钉
C.Steef钢板
D.RF
E.Harrington棒