题目内容

能与发生呫吨氢醇试剂反应的化合物是

A. 羟基洋地黄毒苷
B. K-毒毛旋毛子苷
C. 洋地黄毒苷
D. K-毒毛旋花子麻苷
E. 异羟基洋地黄毒苷

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45.下列属于2，6--去氧糖的是

A. β- D-葡萄糖
B. D-果糖
C. D-洋地黄毒糖
D-乙酰洋地黄毒糖
E. D-加拿大麻糖

Directions:In this section, you are going to read a passage with ten statements attached to it. Each statement contains information given in one of the paragraphs. Identify the paragraph from which the information is derived.You may choose a paragraph more than once. Each paragraph is marked with a letter. Answer the questions by marking the corresponding letter on Answer Sheet 2.Robot Management

假设检验的基本原理是_________。

变压器铁心采用相互绝缘的薄硅钢片的目的是为了降低（）。

A. 铁损耗
B. 铜损耗
C. 功率损耗
D. 杂散损耗