【单选题】We’ve known for a long time a high—fat diet,obesity and lack of exercise can increase the risk of developing heart disease and type 2 diabetes,two conditions affecting millions of Americans.What we ar...
A.
Different rates of common cancers in different regions result from different lifestyles.
B.
The rate of several extremely common cancers in the U.S.is higher by 1/1 0 or 1/20.
C.
People who migrate to the United States have high cancer rates after a generation.
D.
If people out of the western world stay at home,their risk of cancer won’t rise
【单选题】听力原文: Nearly every day we are reminded to get more exercise, but this can be hard to do with the hectic lifestyles we have today. Multi-tasking—doing two or more things at the same time—is now a commo...