While some bacteria are beneficial, others are harmful in that cause disease.

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问题 While some bacteria are beneficial, others are harmful in that cause disease.

选项 A、detrimental
B、prodigious
C、intrusive
D、mordant

答案A

解析 harmful与detrimental同义，意为“有害的，可致损伤的。”prodigious“巨大的，大得令人惊叹”；intrusive“闯入的，侵入的”；mordant“讽刺的，尖酸的”。

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职称英语卫生类B级

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