[交流] 每周一听——那些年我们一起练过的听力（第191期） 已有18人参与

每周一听——那些年我们一起练过的听力（第191期）

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It's one of the underwater world's classic partnerships:clownfish and Nemo hides out in the anemone, which helps keep    (1)    fish at bay.
"But at the same time there are other fish species that will kind of nibble on the sea anemones, and the clownfish will actually go out and scare them away." Jeff Gore, a biophysicist at MIT.
"So in this case there's across-protection    (2)    between these two species in which they help to avoid predation."
Such cross-protection is usually seen between two animals.
But Gore studies the same sort of mutualism in microbes.
He and his team demonstrated the first experimental example of that    (3)    relationship in drug-resistant microbes, using two strains of antibiotic-resistant E. coli bacteria:
one    (4)    to ampicillin, the other to chloramphenicol.
The researchers grew the bacteria together in a test tube, in the presence of both antibiotics.
And rather than    (5)    to the drugs, each bacterial strain deactivated one of the two antibiotics—thus protecting the other strain.
That activity led to a stable    (6)    over time.
Which Gore says could in theory give the bugs an opportunity to swap resistance genes, through what’s called horizontal gene transfer—one bacterium    (7)    genetic material to another.
Any such transfer could make either or both strains    (8)    resistant to both types of antibiotics.
The findings are in the Proceedings of the National Academy of Sciences.
The same story might play out in our guts, too—but it's too early to translate it into medical    (9)    .
"It's always important to remember that just because we see a particular dynamic in the laboratory doesn't mean we should immediately go and change our clinical dosing practices.
But then those sorts of results are then used as a guide for the kinds of phenomena that clinicians may want to watch out for in their    (10)    ."
Cause the more we know about this bacterial buddy system, the better we may be at breaking it up if they team up against us.
最近毕业季，各种事情场合比较多，到现在还没有给大家评分，在这里和大家说声对不起，我会尽快完成评分。“Studying has almost no short term rewards. But the long term rewards are huge!”让我们一起学英语，我们一起听听力！每天进步一点点！ 期待更多小伙伴加入我们。加油！！！金币奖励活动继续，连续参加4期的小伙伴们请私信我，我会给大家及时发放奖励，期待你们取得更大的进步和更多的奖励！
上期答案
1. exposing
2. alternating
3. tissues
4. magnet
5. resolution
6. particular
7. renditions
8. hologram
9. reinforce
10. compatible