1、People feared that weakening a 21-year-old ban on the sale of ivory would encourage illegal hunting and hurt elephant populations.
【分析】that 引导宾语从句,从句中谓语动词是encourage和hurt,根据逻辑意义,可知encourage和hurt 的主语是动名词短语weakening a 21-year-old ban on the sale of ivory。
2、Whether you get along well with your professors or not has a huge effect on your self growth as it is a measure of how well you can respect authority and obey requirements.
【分析】此句为复合句,句中whether引导主语从句,as 引导原因状语从句,how well 引导从句作介词of 的宾语。