she is ( ) newer comer to ( )cemistry but she has already made some important discoveries.这两空填a the 或者不填.

问题描述:

she is ( ) newer comer to ( )cemistry but she has already made some important discoveries.
这两空填a the 或者不填.

a一个新人,the因为是具体的领域

a,不填

she is (a ) newer comer to (不填)chemistry是这样吧 but she has already made some important discoveries.newcomer是个可数名词,而且是第一次出现,前面应该是不定冠词a,类似于I am a teacher.而chemistry是表示...