题型：阅读理解 题类：常考题 难易度：普通
湖北省武汉市钢城第四中学2019-2020学年高一下学期英语5月学习质量检测试卷（含听力音频）
In the decade to 2019 global meat consumption rose by an average of 1.9％a year and fresh dairy consumption by 2.1％—both about twice as fast as population growth.
Yet many sub—Saharan Africans still eat almost no meat, dairy or fish. This is seldom the result of religious or cultural prohibitions. If animal foods were cheaper, or if people had more money, they would eat more of them. Richard Waite of the World Resources Institute, an American think tank (智囊团) , points out that when Africans move to rich countries and open restaurants, they tend to write meat-heavy menus.
But this frugal (食肉量少的) continent is beginning to influence the global food system. Africa already imports more meat each year than China does, and the OECD's forecasters expect imports to keep growing by more than 3％a year.
People will probably become healthier. Animal products are excellent sources of essential vitamins and minerals. Studies in several developing countries have shown that giving milk to schoolchildren makes them taller. Recent research in rural western Kenya found that children who regularly ate eggs grew 5％faster than children who did not.
Africans' changing diets also create opportunities for local businesses. As cities grow, and as people in those cities demand more animal protein, national supply chains become bigger and more complicated. Animal keepers, hatcheries, vets and trucking companies are indeed in booming years. In the past, Africa would learn to fill shipping containers with clothes and gadgets (小商品). But now, there are more jobs available filling bellies with meat.
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