This would double in less than a century the already bulging population who existed when it reached which 5 billion in 1987.
分句的先行詞是population，population的意思是“人口”，但是它的概念並不是somebody，而是something，所以關係代詞應該用that或者which。
Why on earth would we give psychotropic medications to a population that are already vulnerable and struggling to use their brain?” she wrote in a letter 7. is.
解答：定語從句的先行詞population作為集合名詞，表示一類人 ，應該用單數謂語動詞與之搭配。
This would double in less than a century the already bulging population who existed when it reached which 5 billion in 1987.
分句的先行詞是population，population的意思是“人口”，但是它的概念並不是somebody，而是something，所以關係代詞應該用that或者which。
Why on earth would we give psychotropic medications to a population that are already vulnerable and struggling to use their brain?” she wrote in a letter 7. is.
解答：定語從句的先行詞population作為集合名詞，表示一類人 ，應該用單數謂語動詞與之搭配。