请根据短文的内容，回答题。
Obesity Causes Global Warming
The list of ills attributable to obesity keeps growing: Last week, obese people were accused of causing global warming.＜br＞
This conclusion comes from Sheldon Jacobson of the University of Illinois, US, and a doctoral student, Laura McLay. Their study calculates how much extra gasoline is needed to haul fat Americans around. The answer, they say, is a billion gallons of gas per year. __________ (46)＜br＞
There has been calls for taxes on junk food in recent years. __________ (47) "We tax cigarettes partly because of their health cost," Schmidt said. "Similarly, leading a lazy lifestyle. will end up costing taxpayers more."＜br＞
US political scientist Erie Oliver said his first instinct was to laugh at these gas and fast food arguments. But such claims are getting attention.＜br＞
At the US Obesity Society&39;s annual meeting, one person correlated obesity with car accident deaths, and another correlated obesity with suicides. __________ (48) "The funny thing was that everyone took it seriously," Oliver said.＜br＞
In a 1960s study, children were shown drawings of children with disabilities and without them, and a drawing of an obese child. They were asked which they would want for a friend. __________ (49)＜br＞
Three researchers recently repeated the study using college students. Once again, almost no one,not even obese people, liked the obese person. "Obesity was stigmatized," the researchers said.＜br＞
But, researchers say, getting thin is not like quitting smoking. People struggle to stop smoking, and, in the end, many succeed. Obesity is different. But, not because obese people don&39;t care.__________ (50) Genes also play a part.
第46题__________ 查看材料

A meager diet may keep you thin.
B. It means an extra 11 million tons of carbon dioxide.
C. The obese child was picked last.
D. US economist Martin Schmidt suggests a tax on fast food delivered to people"s cars.
E. Science has shown that they have limited personal control over their weight.
F. No one asked whether there was really a cause-and-effect relationship.