以下不属于防触电安全装置的是()
D
暂无解析
句子写作：TodayatschoolMrMoorebroughtinhispetrabbit.Heshowedittotheclass.
Thenewdiscovery_______beofgreatservicetomankind.
改写病句：OneofJenny’greatestsjoysinlifeiseatingdesserts.Suchasmilkshake,cookiesorstrawberrycake.
Basically，theseattitudesamounttoabelief________leisurecanandshouldbeputtogooduse
Notallbirdscanfly,______doallbirdsbuildnests.