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A、Livestock need a large area to be raised. B、Livestock consume lots of food and water. C、The water may be polluted by livestock
A、Livestock need a large area to be raised. B、Livestock consume lots of food and water. C、The water may be polluted by livestock
admin
2022-11-07
56
问题
Every second in the US alone, more than 250 animals are slaughtered for food, adding up to more than eight billion animals each year. Reducing the amount of meat in one’s diet is nutritionally, environmentally and ethically beneficial. People who eat meat usually have weaker immune systems compared to those vegetarians. Furthermore, meat-eaters are at a higher risk for diseases including cancer, and they are more likely to die from these diseases. Critics say that a meatless diet does not provide enough nutrients, especially protein and iron. Actually, protein is found in almost every food, and iron appears in many vegetables. Getting enough nutrients in a meat-reduced diet should not be difficult. Diet including more fruits and vegetables will only make people healthier. Some skeptics believe that there will be a shortage of food if animals are not eaten. In fact, the opposite is true. More than 80% of the corn and 95% of the oats grown in the US are fed to livestock. The world’s cattle alone consume enough food to equal the calorie needs of 8.7 billion people, more than the entire human population. One half of the water used in the US also goes to livestock. If people eat less meat and more plants, the amount of available food will increase. Many people become vegetarians because they feel that eating animals is unethical. Ninety percent of these animals are raised in confinement. Chicken and other birds have only about half a square foot of space each, and since they are raised so close together, a hot blade is used to cut off their beaks to prevent them from pecking each other to death.
22. What’s the passage mainly about?
23. Which is one of the reasons why we should eat less meat?
24. Why does the speaker say eating less meat is environmentally beneficial?
25. Why do many people become vegetarians according to the speaker?
选项
A、Livestock need a large area to be raised.
B、Livestock consume lots of food and water.
C、The water may be polluted by livestock.
D、The waste of livestock pollutes the environment.
答案
B
解析
短文中提到,在美国超过80%的玉米和95%的燕麦都用来饲养牲畜,而牲畜的用水量占美国全国的一半。因此,如果人们少吃肉多吃素,就可以减少饲养牲畜的数量,从而保护更多的粮食和水源。因此,少吃肉对环境有利从本质上说是因为牲畜耗费大量的粮食和水源。
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0
大学英语四级
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