2. 外语
  3. If you had to guess the organ that has undue influence on your emotions, your mood, even your choices, what would you guess? The

If you had to guess the organ that has undue influence on your emotions, your mood, even your choices, what would you guess? The

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问题     If you had to guess the organ that has undue influence on your emotions, your mood, even your choices, what would you guess? The brain? Sure, but what else? The heart—that【C1】________seat of the soul? Not quite. The stomach? You’re getting warmer. Would you believe it’s the trillions of bacteria—the microbiota(微生物群) —than live in your gut. Each of us【C3】________up to four and a half pounds of bacteria around in our guts at any given time. More than 100 trillion microbes live down there. That’s as many cells as make up the rest of your body.
    Now, this crowd is mostly good guys, and they do important work, to the extent that some scientists【C4】________classifying these collective microbiota as its own【C5】________. Aside from helping digest our food, they protect us from disease, neutralize some of the toxic by-products of the【C6】________process, and make it harder for bad bacteria to set up shop. In short, your gut does way more than just digest everything from Cheetos to Camembert.
    But it turns out gut bacteria may also【C7】________how we feel. Who knew the next【C8】________in mental well-being would lead right to the toilet? With that lively【C9】________in mind, we know here are various ways our microbiota are【C10】________to our mental health.
    A) advocate     F) connected    K) irreplaceable
    B) affect       G) digestive    L) mythical
    C) attached     H) frontier     M) notoriously
    D) carries      I) gathers      N) organ
    E) collectively J) image        O) result
【C5】
选项
答案N
解析 空格位于its own之后，故应填入名词作介词 as的宾语。上文提到很多肠内的微生物都是有益身体健康的，再加上空格之前的its own，可知空格处应填入N项organ“器官”，指这些微生物可被当成自己的器官来看待。
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