延胡索中主要的抗心肌缺血成分是() A.延胡索乙素  B.四氢巴马汀  C.藁本内酯

题型:单项选择题

问题:

延胡索中主要的抗心肌缺血成分是()

A.延胡索乙素 

B.四氢巴马汀 

C.藁本内酯 

D.苦杏仁苷 

E.去氢延胡索甲素

考点:药学职称考试初级中药士中药药理学
题型:单项选择题

根据短文内容填词,首字母已给出。

     On Thursday after moon, I tried to make some money with my voice. But I only k  1  two songs. I

decided to start at the kind old lady’s house. But she did not come to the door. I was a  2  she could not

hear me ,so I tried to sing louder. She still did not come , so I went to her neighbor’s house. I was in the

middle of my second song w  3  the door opened.

     "W 4  are you doing?” a lady asked me crossly.

     "I’m singing".

     "Yes, but why are you singing?"

     "I need money."

     "Well, I’ll g  5  you 10 pence to go away."

I went away. This time I sang at a house at the end of the street. A man c  6  to the door.

     "What are you doing?" he asked.

     "I’m trying to sing."

     "Young man , " he said . " Some people have good voices and some people have bad voices, and

people w  7  bad voices ought not to sing."

     "But I’m trying to earn some money," I told him.

     "Oh, I see .Well, I’ ll  give you a j   8   to do , if you want , you can sweep the l   9   

for me.."

It was hard work but I am now 35 pence y  10  than I was yesterday.

1. k         2. a         3. w        4. W       5.  g        

6. c         7. w        8. j          9. l         10. y          

题型:单项选择题

当反应器其它操作参数不变时,随着反应温度升高,反应出口气体中尾氧控含量应()。

A、下降

B、上升

C、略有上升

D、不变

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若使直流并励电动机电源电压极性改变,则电动机的旋转方向不变,若使直流串励电动机电源电压极性改变,则电动机的旋转方向也不变。

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