多选题
By citing data from nations where female scientists earn less than equivalent male counterparts, the author attempted to ______ the claim that ______ still lingers in the scientific workplace.
【正确答案】
B、D
【答案解析】[解析] ● 逗号说明前后同义重复。
● 第二空与female scientists earn less than equivalent male counterparts(同等条件下女科学家比男科学家收入低)同义重复。discrimination歧视，opportunity机会，opposition敌对。答案选D。
● winnow除去，substantiate证实，undermine削弱。代入选项，答案选B。