军用危险货物卸载后，委托铁路部门洗刷、消毒的，其费用由卸车单位支付。
参考答案：错
—Do you often exercise?
—Yes. I think exercising helps us ______. [ ]
A. keeping healthy
B. to keep health
C. keeping in good health
D. to keep in good health
2千克50克=______千克 4.6升=______毫升 45分=______时 1.05立方米=______立方米______立方分米．
