- 问题详情:一名普通中学生从地上拿起一个鸡蛋,并把它缓缓举过头顶,此过程中他对鸡蛋做的功约为 A. 0.lJ B.1J C.10J D.100J【回答】B知识点:功题型:选择题...
- 8570
- 1、Inaverypaternalmanner,hepromisesLJthathewillgladlycleanupthismessthatLJhasmade.2、LJsitsaloneoutsidethesecludedcabin.3、LJthrowsabottleanditbreakstheglassofanearbywallhanging.Haleduckstoavoidtheshatteringglass,givingLisaandLJopportunitytoscatter.4...
- 21366