PASSAGE FOUR What is the "gold standard" used to test according to the passage?

admin2019-05-24  35

问题 PASSAGE FOUR
What is the "gold standard" used to test according to the passage?

选项

答案A mad cow disease.

解析 从原文第1段即可得出the“gold standard”是用来检测疯牛病的:尽管美国“黄金标准”检测说一头在11月被屠宰的牛没得疯牛病,在英国的检测却确证它患了此病。可见答案为A mad cow disease。
转载请注明原文地址:https://jikaoti.com/ti/8svMFFFM
0

最新回复(0)