阅读下面的短文，并根据短文后的要求答题(请注意问题后的词数要求)。
In 2009, the number of hungry people in the world reached one billion for the first time. It is difficult not to be shocked by the fact that more than one in seven people on the planet do not have enough to eat. By the end of this year, more than 35 million people will have died as a result of        . Hunger kills more people per year than AIDS and malaria(疟疾 ) combined.
The UN calculates that almost two-thirds of the world's hungry people are in Asia. More than a quarter are in sub-Saharan Africa. Almost all of the rest are in Latin America, North Africa and the Caribbean. In the richest regions of the world there are only a small number of people who don't have enough to eat. There are many reasons for world hunger. They include wars, droughts, floods and the overuse of farming land. All of them affect food production. But the most important reason is, quite simple, poverty—which has increased recently due to the economic effects of the financial crisis of 2008.
Although many people point out that there would be less hunger if the global population were smaller, few people would argue that there is not enough food to go around. The basic problem seems to be not a lack of food, but its distribution. In the last 50 years, global food production has risen even more quickly than the global population and there are of course many areas of the world where people generally have more than enough food. Overweight is a far bigger problem than hunger there.
What's the main topic of the passage? (no more than 3 words )
                                                                
Where do most of the hungry people live? (no more than 3 words)
                                                               
Fill in the blank in Para. 1 with proper words. (no more than 5 words )
                                                                
What does the underlined word "they"(line 4, paragraph 2 ) probably refer to? (no more than 6 words)
                                                                
What is the suggested way to reduce hunger in Paragraph 3? (no more than 8 words )
                                                                

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