请问this ratio drops to near balance at the age of maturity其中的near是动词还是形容词?near前的……

问题描述:

请问this ratio drops to near balance at the age of maturity其中的near是动词还是形容词?near前的……
Being a man has always been dangerous.There are about 105 males born for every 100 females,but this ratio drops to near balance at the age of maturity.
请问其中的near是动词还是形容词?
near前的to是介词还是不定时中的to?

near是形容词,表示近似、将近.
to是介词,是drop to 短语中的一部分.