从下表里选择适当的翻译She is young.( ) He is my English teacher. ( )What’s he like? ( )Miss. White is my art teacher. ( )I like my teacher. ( )My English teacher is funny. ( )Is your math teacher kind? ( )
关于自然保护区的说法哪一个不正确( )
下列免疫中,属于非特异性免疫的是( )
狗在受伤后用舌头舔伤口,这样有利于伤口的愈合,其原因是唾液中含有( )
下列各项措施中,属于保护易感人群的是()
原始大气中不含( ) A氢气 B二氧化碳 C硫化氢 D氧气