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【简答题】
人体一氧化碳中毒的毒性机理是什么?
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知识点：
皮皮学刷刷变学霸
举一反三
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【简答题】If spelling becomes the only focal point of his teacher’s interest, clearly a (4) ______ child will be likely to “play safe”.
【单选题】If spelling becomes the only focal point of his teacher's interest, clearly a bright child will likely to "play safe". He will tend to write (only words within his spelling range, choosing to avoid) a...
A.
to write carefully
B.
to do as teachers say
C.
to use dictionaries frequently
D.
to avoid using words one is not sure of
【单选题】关于口腔局部麻醉药物，描述不正确的是
A.
阿替卡因属于酯类局部麻醉药
B.
普鲁卡因和丁卡因属于酯类局部麻醉药
C.
布比卡因属于酰胺类局部麻醉药
D.
口腔局局部麻醉可分为酯类和酰胺类
E.
利多卡因属于酰胺类局部麻醉药
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【单选题】呼吸机的潮气量是指( )。
A.
机器每次向患者传送的混合气体的体积，单位为毫升或mL
B.
机器每分钟向患者传送的混合气体的体积，单位为毫升或mL
C.
患者吸入的混合气体中，氧气所占的体积百分比
D.
单位时间内患者吸入或者呼出气体的体积，单位为升/分
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