国防科工委

标题：Xi'ankindergartenintroduction内容：Xi'anLianhuQing'ancivilaviationkindergarteninShaanxiProvincedemon

TheCommissionofScience,TechnologyandIndustryforNationalDefense(CSTIND)

Tenth-five-year-planforNewclearPowerDevelopmentbyCommissionofscience,TechnologyandIndustryforNationa

TechnologyandIndustryforNationalDefense

A、马德堡半球实验证实了大气压的存在；是大气压将两个半球紧紧压在一起；月球上没有空气，故不能做马德堡半球实验；故A错误；B、太阳光能照射到月球上，可以用太阳能电池板将太阳能转变为电能；故B正确；C、声