1._____________________________(多亏了一系列的新发明), doctors can treat this disease successfully.
　　2.In my sixties, one change I notice is that__________________________(我比以前更容易累了).
　　3.I am going to pursue this course ,__________________(无论我要作出什么样的牺牲).
　　4.I would prefer shopping online to shopping in a department store because_________________________(它更加方便和省时).
　　5.Many Americans live on credit, and their quality of life ________________________(是用他们能够借到多少来衡量的), not how much they can earn.

　　答案与解析：
　　1.Thanks to a series of new inventions
　　2.I am more likely to get tired than before.
　　3.whatever kind of sacrifice I have to make.
　　4.the former is more convenient and less time-consuming.
　　5.is measured by how much they could borrow