問題詳情

四、綜合測驗：10%        According to a study, eating meat is one of the main ways __31__ humans can damage the environment. __32__, all farm animals, such as cows, pigs, and sheep, release methane gas from their bodies. Roughly speaking, 25 percent of all methane __33__ into the atmosphere comes from farm animals. Methane gas is the second most common greenhouse gas __34__ carbon dioxide. It is closely related __35__ global warming. Meat production also affects the environment through the use of water and land. The water __36__ in producing one pound of beef is 125 times the amount of water __36__ in producing one pound of wheat. One acre of farmland needed for __37__ cows can produce 250 pounds of beef, __38__ one acre of farmland needed for crop production can produce 40,000 pounds of potatoes, 30,000 pounds of carrots, or 50,000 pounds of tomatoes. In view of the high emission of greenhouse gases by farm animals and the huge amounts of land and water __39__ for producing meat, eating meat is truly harmful to the environment. Therefore, __40__ the human race to survive, people should choose vegetables over meat for at least some of their meals.
31.
(A) by which
(B) that
(C) how
(D) where

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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