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Fears of "mad cow" disease spread【C1】______ the globe last week【C2】______ So
Fears of "mad cow" disease spread【C1】______ the globe last week【C2】______ So
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2024-06-06
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问题
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. [br] 【C19】
选项
A、how
B、why
C、what
D、when
答案
B
解析
注意前面出现了一个explain,可知是为了说明原因,由此可判断这里应填入why,引出一个原因状语从句。
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