题目内容：

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Obesity is a fancy word to say someone is heavy. There are a lot of people who are overweight in America and the world as well. An overweight person not only looks heavy and less handsome,but it can also lead to different illnesses.1.

What causes obesity? 2. Junk food, also known as fast food, is the name given to food that can be prepared and served quickly. It is typically inexpensive to buy but unhealthy to eat. Well-known fast food restaurants include McDonald's, KFC, Pizza Hut and Burger King—all of the above we can easily find in cities in China. The king of fast food, McDonald's, feeds about 45 million people around the world every day.

They are called junk food, because hamburger, pizza and the like contain high calories(卡路里). If you eat a Big Mac,an order of large fries, and a large coke, you will need to walk non-stop for six hours to burn off the calories. 3.

4.Popular sugary drinks, of course, include Coca Cola, Pepsi Cola and many new brands that appear on the market every a couple of days. Most people don't realize how easy it is to gain weight from drinking sugary drinks, juice drinks, sports drinks and sweetened tea. Just one bottle of soda can have 250 calories and more than 16 teaspoons of added sugar. As a public strategy to improve foods, the US government in 2014 required restaurants and especially fast food restaurants to write the calories on the menu.5. It may be helpful to lose weight.

A.Nobody knows why so many people like junk food.

B.It is viewed as one of the public health problems in the 21th century.

C.Don't be fooled by soft drinks, which are high on sugar.

D.When we talk about it, the first thought comes to mind is: junk food.

E.And the left calories that haven't been burnt will put weight on you.

F.Never forget about what the most important thing is.

G.People are supposed to count the calories first before eating.