多选题 Increasingly, nurse practitioners are ______ the heavy workload of physicians by performing medical tasks once thought to be the exclusive ______ of doctors.

A、 amassing
B、 compounding
C、 lessening
D、 problem
E、 province
F、 assertion

【正确答案】 C、E

【答案解析】[解析] ● by说明前后目的和手段同义重复。
● 第二空与workload(工作量)同义重复。problem问题，province职责，assertion断言。答案选E。
● 第一空与performing medical tasks(处理药品)同义重复，处理药品根据后文原本是医生的工作。amass积累，compound混合，lessen减轻，答案选C。