Question

Eating less meat is becoming more common all over the world. In the US, for example, there is a campaign（運動）called Meatless Mondays. The idea is to have meatless meals every Monday. At the end of 2018, 230 middle and primary schools in the US had joined this campaign. These schools give students a vegetarian breakfast and lunch every Monday.

How did Meatless Mondays become part of food culture in the West? The first reason is that it's healthy. Many studies have shown that eating less meat is good for people's health. “Vegetarian diets can stop people from being fat or ill,” scientist Sharon Palmer said. "Even going meatless one day a week can make a difference.”

But it's not only about health. A study from Nature found that the greenhouse gases from animal products（產(chǎn)品）make up 78 percent of total agricultural（農(nóng)業(yè)的）emissions（排放）. If we eat less meat, it will be better for the environment.

In March this year, New York Mayor（市長）Bill said that all public schools in New York City would join the Meatless Mondays campaign. Joining the campaign, he said, will help us stay healthy and keep the earth green for the future.

1.When can't many students eat meat in the US?

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2.Why do people in the West have Meatless Mondays?

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3.How can vegetarian diets help people?

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4.Did Bill agree to join the campaign?

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5.What makes up the most agricultural emission?

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Answer 1