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How did mad cow disease spread and cause cattle to die?A.By using MBM (meat-and-bone meal)

How did mad cow disease spread and cause cattle to die?

A.By using MBM (meat-and-bone meal) with different plants.

B.By eating infected (感染的) MBM.

C.By importing foreign cattle.

提问人:网友laiyizhan 发布时间:2022-01-06
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更多“How did mad cow disease spread…”相关的问题
第1题
Fears of "mad cow" disease spread (1)_____ the globe last week (2)_____ South Africa, New

Fears of "mad cow" disease spread (1)_____ the globe last week (2)_____ South Africa, New Zealand and Singapore joining most of Britain's European Union partners in (3)_____ imports of British beef. In London, steak restaurants were empty following the March 20 announcement by scientists that they had found a (4)_____ link between mad cow disease from British beef and its human (5)_____, Creutzfeldt-Jakob disease(CJD).

Efforts to reassure consumers and governments proved (6)_____. France, Germany, Italy, Finland and Greece were among countries which announced bans (7)_____ British beef shipments.

A committee of EU veterinary experts, meeting in Brussels, (8)_____ new protective measures but said transmission of the disease from cattle to humans was unproven and did not (9)_____ a general ban on British beef exports. Britain's own main consumer group advised people to (10)_____ beef if they wanted to be absolutely sure of not (11)_____ CJD which destroys the brain and is always (12)_____.

"Could it be worse than AIDS?"

The stark headline in Friday's Daily mail newspaper encapsulated the fear and uncertainty (13)_____ Britain. CJD (14)_____ humans in the same way that BSE makes cows mad—by eating away nerve cells in the brain (15)_____ it looks like a spongy Swiss cheese.

The disease is incurable. Victims show (16)_____ of dementia and memory loss and usually die (17)_____ six months.

Little is known (18)_____ sure about the group of diseases known collectively as spongiform. encephalopathies, which explains (19)_____ some eminent scientists are not prepared to (20)_____ a human epidemic of AIDS-like proportions.

A.in

B.on

C.over

D.around

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第2题
How long did Mad off’s trick lasts?A. Four years.B. Forty years.C. Nine years.D. Ninety ye

How long did Mad off’s trick lasts?

A. Four years.

B. Forty years.

C. Nine years.

D. Ninety years.

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第3题
How long did Mad offs tricks last?A. Forty years.B. Four year.C. Nine years.D. Ninety year

How long did Mad offs tricks last?

A. Forty years.

B. Four year.

C. Nine years.

D. Ninety years.

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第4题
There is less risk of mad cow disease in young cows.A.YB.NC.NG

There is less risk of mad cow disease in young cows.

A.Y

B.N

C.NG

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第5题
Fears of "mad cow" disease spread【C1】______ the globe last week【C2】______ South Mrica, New
Zealand and Singapore joining most of Britain's European Union partners in【C3】______ imports of British beef. In London, steak restaurants were empty following the March 20 announcement by scientists that they had found a【C4】______ link between mad cow disease from British beef and its human【C5】______ , Creutzfeldt-Jakob disease (CJD).

Efforts to reassure consumers and governments proved【C6】______ . France, Germany, Italy, Finland and Greece were among countries which announced bans【C7】______ British beef shipments.

A committee of EU veterinary experts, meeting in Brussels,【C8】______ new protective measures but said transmission of the disease from cattle to humans was unproven and did not【C9】______ a general ban on British beef exports. Britain's own main consumer group advised people to【C10】______ beef if they wanted to be absolutely sure of not【C11】______ CJD which destroys the brain and is always【C12】______

"Could it be worse than AIDS?"

The stark headline in Friday's Daily mail newspaper encapsulated the fear and uncertainty【C13】 Britain. CJD【C14】______ humans in the same way that BSE makes cows mad--by eating away nerve cells in the brain【C15】______ it looks like a spongy Swiss cheese.

The disease is incurable. Victims show【C16】______ of dementia and memory loss and usually die【C17】______ six months.

Little is known【C18】______ sure about the group of diseases known collectively as spongiform. encephalopathies, which explains【C19】______ some eminent scientists are not prepared to【C20】______ a human epidemic of AIDS-like proportions.

【C1】

A.in

B.on

C.over

D.around

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第6题
She developed paralysis(瘫痪), after giving birth to a large calf. That changed her status

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.

What cows constitutes high percentage in the total cows butchered each year?

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.

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第7题
Which of the following countries has NOT found mad cow disease yet?A.England.B.Japan.C.Chi

Which of the following countries has NOT found mad cow disease yet?

A.England.

B.Japan.

C.China.

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第8题
听力原文:M: There was a big fire in my neighborhood last night. Two people were injured an
d three houses burned down.

W: I know. I tried to call you after I heard it on the radio this morning.

Q: How did the woman know about the fire?

(17)

A.It was reported on the radio.

B.The man called her immediately.

C.She mad it in the morning news.

D.She was in the neighborhood.

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第9题
The year 2003 saw incidents of mad cow disease in both Canada and the United States.A.YB.N

The year 2003 saw incidents of mad cow disease in both Canada and the United States.

A.Y

B.N

C.NG

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第10题
French President said that "all Britain has ever done for European agriculture is mad cow"
, which is most likely to be ______.

A.true

B.critical

C.ironic

D.joking

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