问题
单项选择题 A1/A2型题
下列哪种染料不能用于测定总蛋白（）
A.溴甲酚绿
B.邻苯三酚红
C.考马斯亮蓝G－50
D.氨基黑
E.丽春红S
答案
参考答案：A
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下列哪种染料不能用于测定总蛋白（）
A.溴甲酚绿
B.邻苯三酚红
C.考马斯亮蓝G－50
D.氨基黑
E.丽春红S
参考答案：A
| 根据下列短文内容，在短文后的空格处填上一个恰当的词，使短文完整、通顺。 | |
takes good care of you as much as possible. In your waking hours she always holds you in her 2 . When you are ill, she stops her work right now to look after you day and night and forgets about 3 . When you are 4 up day by day, she feels very happy. When you are old enough to go to school, mother still looks after you all the time. On cold winter days, she always tells you to put on 5 clothes. She always stands in the wind 6 for you back from school. When you hurry to leave home for school with little breakfast, she always feels 7 about you at home. She usually knows about your study and 8 much money on your school things. When you do well at school, the brightest smile will be 9 on her face. Mother is always ready to give everything she 10 to her children, not to receive. What true love that is in the world! We will remember Mother Love for ever. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. |