Our bodies can be younger or older than our actual age     1     (depend) upon diet, lifestyle choices and physical activity. This is called biological (生理的) age,     2     could be different from the age on your driver's license, which     3     (call) chronological (时间的) age.     4     recent study of over 900 adults who were tracked for 12 years, from ages 26-38,     5     (show) that people who were aging faster, meaning that their biological age was higher than their chronological age, were not as healthy or     6     (physical) fit. This group was also more likely     7     (have) cognitive decline (认知衰退) and was at a     8     (great) risk for age-related health conditions.

A growing body of research proves that the keys to aging successfully are a     9     (combine) of exercising regularly, keeping busy with life, and maintaining a healthy diet with nutritious foods. These three key elements could contribute     10     aging gracefully, and successfully, too.

With the development of the Internet, electronic payment     1    ( become) more popular to pay bills so far.     2    (actual),the probability of paying bills electronically is decreasing with age and increasing with education, and     3    seems that women tend to use electronic payment at a     4    ( high) rate than men. In addition, some consumers may respond negatively to fees when they     5    ( charge ) by banks for electronic deals,     6    may keep some consumers away from electronic payment and let them turn to signature payment. Moreover, consumers, use of electronic payment will vary with financial conditions and expectations of the future. For example, if they have negative expectations of their future financial conditions, consumers are more likely     7    ( pay)electronically.

On     8    whole, businesses which offer electronic payment     9    ( serve) can not only improve customer service, but also cut costs, reduce late payments and provide a greener business solution     10    consumers, improving the company’s competitive advantage.