regressive GREGMAT专八

1.A regressive tax, like the poll tax, takes proportionately more of a poor person’s income.

像人头税一样，递减税占穷人收入的比例更大。

2.The regressive valvulopathy was misdiagnosed easy as rheumatic heat disease,regressive valvulopathy infectious,endocarditis dysfunction and rupture of papillary muscle ect.

老年人退行性瓣膜病多易误诊为风湿性、先、染性内膜炎、乳头肌功能不全等疾病。