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【单选题】
关于维生素B1的叙述与下列哪条不符A.
水溶液显酸性
B.
易被氧化其注射液常加亚硫酸氢钠作抗氧剂
C.
注射剂不能与碱性药物配伍
D.
能与某些生物碱沉淀试剂作用
E.
应遮光，密封保存
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反馈参考答案：
举一反三
【单选题】The boy who offered me his seat is called Tom.
A.
simple sentence
B.
compoud sentence
C.
complex sentence
D.
compound-complex sentence
【单选题】“ 纸上得来终觉浅.绝知此事要躬行 ” ,陆游这一名句强调的是( )
A.
实践是认识的来源
B.
实践是认识的目的
C.
实践是推动认识发展的动力
D.
间接经验毫无用处
【单选题】Who offered to help Nicholas finally?
A.
His classmates.
B.
His parents.
C.
A college.
【单选题】The boy who offered me his seat is called Tom.
A.
simple sentence
B.
compound sentence
C.
complex sentence
D.
compound-complex sentence
【简答题】The boy who offered me his seat is called Tom.
【简答题】已知双曲线方程为 ， ①求该双曲线的实轴长、虚轴长、离心率、准线方程； ②若抛物线 的顶点是该双曲线的中心，而焦点是其左顶点，求抛物线 的方程。
【简答题】The head, who had offered the occasion his own private stretch of garden, was ______ gracious.(usual)
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