I'm glad I'm not alone. The number of people in the world who are obese or overweight has topped 2.1 billion, up from 875 million in 1980, according to numbers published in a medical journal The Lancet. 

I'm a fat Londoner – one of many fat Londoners, it seems: this 188-country study placed the UK near the top of its 'obesity list'. And the study placed the US and China at the top of the global list, with the highest rates. Yes, China is on the list, I'm afraid. They might be talking about you, too.

Professor Hermann Toplak, at the University of Graz, in Austria, said: "Over the past decades, the modernization of our world, with all the technology around us, has led to laziness on all levels." 

The British National Institute for Health and Care said even a 3% weight loss – probably just a few kilos – would cut blood pressure and reduce the risk of type-2 diabetes and some cancers. 

I must say that this latest study made me think hard about my bad habits. I'm giving up fast food – for good! And I’ll exercise everyday.

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1.What is the number of obesity now?

A 875 million.

B 2.1 billion.

C 875 billion.

D 2.1 million.

解析：选B。B 细节理解题。从文中第2句The number of people in the world who are obese or overweight has topped 2.1 billion,…可知，故选B。

2.How many countries were in the study?

A 3

B 188

C 18

D 100

解析：选B。B 细节理解题。从文中第2段第2行…this 188-country study placed the UK near the top of its 'obesity list'.可知，故选B。

3.Which countries are at the top of the list for obesity?

A The UK and China.

B The US and Japan.

C The US and China

D The US and Canada.

解析：选C。C 细节理解题。从文中第2段第4行And the study placed the US and China at the top of the global list, with the highest rates.可知，故选C。

4.Health risks are increased by obesity EXCEPT .

A high blood pressure

B development of type-2 diabetes

C cancer

D heart attack

解析：选D。D 细节理解题。从文中倒数第3行可知肥胖可引起高血压、二型糖尿病以及一些癌症，并没有提到心脏病，故选D。

5.To be overweight, the author in the text feels .

A happy

B proud

C lonely

D worried

解析：选D。D 主旨理解题。作者虽说不是唯一的肥胖人员，但是因为肥胖所引起的疾病风险不可能使作者高兴或者自豪，至于C答案的寂寞也未提到，根据作者打算减肥，可以看出作者对自己的肥胖是担心的，故选D。