用于防止正常人觸電的漏電保護器,其電流應為()
A、30mAA
暫無解析
Mywalletisnowheretobefound.I_____itwhenIwasonthebus.
小兒身長增長較快,1歲時約為()cm,2歲時約為()cm,2歲后平均每年增長為()cm。
足月新生兒適宜的室溫是()
OneoftheresponsibilitiesoftheCoastGuardistomakesurethatallships______followtrafficrulesinbusyharbors.
改寫病句:OneofJenny’greatestsjoysinlifeiseatingdesserts.Suchasmilkshake,cookiesorstrawberrycake.