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She developed paralysis(瘫痪), after giving birth to a large calf. That change
She developed paralysis(瘫痪), after giving birth to a large calf. That change
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2024-06-14
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问题
She developed paralysis(瘫痪), after giving birth to a large calf. That changed her status from milk producer to "downer", the dairy industry’s word for a cow unable to stand up. The United States Department of Agriculture (USDA) estimates that downers account for between 130,000 and 195,000—a large percentage—of the total cows slaughtered each year.
Her owner, the Sunny Dene Ranch dairy farm, sent her to Veru’s Moses Lake Meats. She was given a routine test for nervous-system diseases, killed, then shipped to Midway Meats in Centralia. The test, taken on December 9th but not fully analyzed until December 22nd, froze America’s $27-billion-a-year cattle industry, the world’s largest producer of beef. This cow had tested positive for BSE(牛绵状脑病),a fatal sickness popularly known as mad cow disease. Humans can get a different kind of disease of BSE by consuming the brains or nervous-system tissue of infected cattle. Britain diagnosed its first case of BSE in 1986. It eventually spread to 180,000 cattle and was linked to the deaths of nearly 150 people.
The USDA at once quarantined(隔离) the Sunny Dene herd and made efforts to recall the meat. Two dozen countries equally swiftly slammed the door on American beef experts, which earn $3 billion a year. The Asian market, particularly Japan, which buys about a third of those exports, was especially quick to ban American meat. Cattlemen cursed their bad luck after a year of decent prices.
On December 27th the USDA suggested that the infected cow came from Canada. This does not let the American beef industry off the hook. But it suggests that the cause of the trouble lies outside the United States. It was not such good news for Canada. Last May one case of BSE in northern Canada led to a three-month ban on exports of Canadian beef and live cattle. When will the cattlemen get their market back.’? The Americans hastily sent a team to Japan to try to calm Japanese fears and, more practically, to discuss the import of beef from animals less than 30 months old. Steve Kay, an expert on the cattle industry from Petaluma, California, points out that BSE has never been found in cattle younger than 30 months.
Much as officials once did in Britain, people from the USDA and the meat industry have rushed to assure Americans that their product is safe. Shares in McDonald’s at first tanked, but recovered when the burger giant insisted it used strict safety standards. Yet America’s meat industry still has to pay more attention to what it feeds its animals and how it kills them.
选项
A、Cows that have give birth to calves.
B、Cows that have produced milk.
C、Cows that are less than 30 months old.
D、Cows that cannot stand up.
答案
D
解析
根据题干中的constitutes high percentage,可以定位到第一段第二句。根据第一段第三句可知美国农业部估计每年有十三万到十九万五千只downers被屠宰,这在每年母牛屠宰总数中占很大比例,而从第二句中可知,downer是指a cow unable to stand up ,因此选D。downer指的是不能站立的母牛,不是生过牛犊的母牛,故可排除A;被屠宰最多的那类母牛是不产奶的,故可排除B;小于30个月的母牛也不是被屠宰最多的,故可排除C。
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