单项选择题

案例分析题Being fat is bad for you.【B1】______that,almost everyone agrees.It is just possible,【B2】______,that almost everyone is wrong.In fact,getting fat may be a mechanism that【B3】______the body.The health problems【B4】______with fatness may not be caused by it but be another【B5】______,another symptom,of overeating.That is the【B6】______of Roger Unger and Philip Scherer.Dr.Unger and Dr.Scherer have been reviewing the science of what has come to be known as metabolic syndrome.This is a cluster of symptoms such as high blood【B7】______,insulin resistance and fatness that seem to increase the【B8】______of heart disease and strokes,diabetes and liver disease.“Syndrome”is the medical term for a(n)【B9】______of symptoms whose common cause is not【B10】______understood.The symptom of metabolic syndrome that appears first is usually【B11】______,so this is generally【B12】______as the underlying cause.Dr.Unger and Dr.Scherer,【B13】______,turn this logic on its head.They point out that there is usually a period of many years between a person becoming【B14】______and his developing the other【B15】______.If the growth of adipose tissue(the body cells in which fat is stored)were【B16】______harmful,that would not be the【B17】______.This is one of the lines of evidence that has led them to the conclusion that,【B18】______its role in storing energy as a hedge against future famine,getting fat is a protective mechanism【B19】______metabolic syndrome.Their thesis is that lipids(the group of molecules that includes fats),which are needed in small amounts to make cell membranes,are toxic in larger quantities.【B20】______them into adipose tissue is one of the body’s ways of dealing with that toxicity.

【B17】()

A.reason
B.result
C.cause
D.case