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  3. Dog and Human Health People who let their dogs sleep with them or allow them to lick their faces are no more likely than oth

Dog and Human Health People who let their dogs sleep with them or allow them to lick their faces are no more likely than oth

admin2013-06-05  45
问题                             Dog and Human Health
    People who let their dogs sleep with them or allow them to lick their faces are no more likely than other dog owners to have the same strains of E. coli bacteria as their dogs, a Kansas State University veterinarian reports.
    Dr. Kate Stenske, a clinical assistant professor at the university’s College of Veterinary Medicine, said it’s known that diseases can be shared between dogs and people and that about 75 percent of emerging diseases are transferable between humans and other animals.
    She decided to focus on E. coli, which is common in the gastrointestinal tracts of both humans and dogs.
    For the study, Stenske analyzed fecal samples from dogs and their owners. She found that 10 percent of human-dog pairs had the same E. coil strains and that these strains were more resistant to common antibiotics than expected. However, owners had more multiple drug-resistant strains than their dogs.
    "This makes us think that dogs are not likely to spread multiple drug-resistant E. coli to their owners, but perhaps owners may spread them to their dogs," Stenske said in a university news release. "What we learn from this is that antibiotics really do affect the bacteria within our gastrointestinal tract, and we should only take them when we really need to—and always finish the entire prescription as directed."
    There was no evidence that owners who sleep with their dog or allow face licking were more likely to have shared strains of E. coli, according to the study, which was expected to be published in an upcoming issue of the American Journal of Veterinary Research.
    However, the study did find an association between antibiotic-resistant E. coli and owners who didn’t wash their hands after petting their dogs or before cooking meals.
    " We should use common sense and practice good general hygiene," Stenske advised.
    She said the finding that close human-dog bonding behaviors aren’t more likely to spread germs is good news because of the physical and psychological benefits of pet ownership. Surveys show that nearly half of all dog owners share their food with their dogs, and more than half allow their dogs to sleep with them and lick their face.
    " If you look at one study, 84 percent of people say their dog is like a child to them," Stenske added.
    Future research might look at cat owners and shared E. coli. More Americans own cats than dogs, and cats interact with people in different ways than dogs, Stenske noted.
Which one is NOT the conclusion of the study?
选项 A、Owners have more multiple drug-resistant strains than their dogs.
B、Dogs are not likely to spread multiple drug-resistant E. coli to their owners.
C、We can not take antibiotics casually, but only when we really need.
D、Owners allow face licking are more likely to share strains of E. coli.
答案D
解析 事实细节题。根据题干关键词the study定位到第四、五、六段。第六段第一句提及，目前没有证据表明与狗同睡的主人或让狗舔他们脸颊的人与他的狗有同样的大肠杆菌种类的可能性更高。由此可知D与原文意思不符，符合题干要求，故为答案。第四段第二句提及，斯坦科发现主人有更多种类的抗药性大肠杆菌，故A排除；第五段第一句提及，斯坦科根据实验结果推测，可能并不是狗将多种抗药性的大肠杆菌传给主人，而是主人将大肠杆菌传给了狗，故B排除；第五段第二句提及，抗生素确实会影响到胃肠道里的细菌，因此应该只在需要时才服用——并始终按指示服用完处方上的药，故C排除。
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