下列哪项不符合红霉素的特点（） A.为15元大环内酯类抗生素 B.

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问题单项选择题 A1/A2型题

下列哪项不符合红霉素的特点（）

A.为15元大环内酯类抗生素

B.为碱性化合物

C.对酸不稳定

D.遇酸易发生苷键水解

E.是耐药溶血性链球菌感染的首选药

答案

参考答案：A

单项选择题 B型题

男性，30岁，建筑工人，体重正常的糖耐量减退者，其能量需要是（）

A.83.68～104.60kJ/（kg·D.［20～25kcal/（kg·D.］

B.104.60～125.52kJ/（kg·D.［25～30kcal/（kg·D.］

C.125.52～146.44kJ/（kg·D.［30～35kcal/（kg·D.］

D.146.44kJ/（kg·D.［35kcal/（kg·D.］

E.146.44～167.36/（kg·D.［35～40kcal/（kg·D.］

改错题

改错。

( )1. Did you enjoy you yesterday, my children? ________

A B C D

( )2. He taught his son how mend bikes. ________

A B C D

( )3. It's very hot outside or it's cool here in the room. ________

A B C D

( )4. Let me to help you look for your ruler. ________

A B C D

( )5. Our teacher said the earth went round the sun. ________

A B C D