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【单选题】
抗坏血酸具有的结构是A.
氨基嘧啶环和噻唑环
B.
共轭多烯侧链
C.
烯二醇和内酯环
D.
β-内酰胺环和氢化噻唑环
E.
苯并二氢吡喃
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】某患者,女, 28 岁,农民,因声音嘶哑,口腔麻木 2 月就诊。自觉口腔内有虫样蠕动感,就诊后以消毒针自口腔内虫体移行处检获一长约 40mm 、宽约 0 . 3mm 的虫体,追问病史,该患者平时有饮用生水的习惯。此病人应考虑是( )
A.
曼氏迭宫绦虫裂头蚴感染
B.
美丽筒线虫感染
C.
钩虫感染
D.
异尖线虫感染
E.
棘颚口线虫感染
【简答题】根据短文内容,从横线中选择恰当的单词填空,有的需要变换形式。 until, catch, glad, when, kind, invite, surprise, guest Having a surprise party is very popular. Most people are (1) _________ to have a surprise party for their family ...
【单选题】____ is not mentioned in the text as having become popular with the public after the disaster.
A.
Dating
B.
Getting married
C.
Traveling
D.
Playing chess
【简答题】我们可以用哪些方法来进行压力的调适?
【单选题】The sentence 'Pastral is a sophisticated game...played across time' in Paragraph Three implies that
A.
nature is a popular theme to write.
B.
ways of writing nature can hardly be renovated.
C.
nature is as interesting as playing chess.
D.
nature is a constant theme in poetry.
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