Human being have thirty-three or thirty-four vertebrae, but a snake may have as many as three hundred.

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问题 Human being have thirty-three or thirty-four vertebrae, but a snake may have as many as three hundred.

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答案being--beings

解析 译文:人类有33或者34根椎骨,但蛇可能有多达300根椎骨。
分析:考查数的一致。谓语动词为have,且Human being前并没有表示单数的不定冠词a,说明主语不是第三人称单数而是复数,应改为beings。
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