可使紫花洋地黄苷A水解得到次生苷和葡萄糖的条件是() A.3%~5%H2SO4 B.

题型:单项选择题

问题:

可使紫花洋地黄苷A水解得到次生苷和葡萄糖的条件是()

A.3%~5%H2SO4

B.0.02~0.05mol/L HCl

C.NaHCO3溶液

D.紫花苷酶

E.麦芽糖酶

考点:中药执业药师中药学专业知识(二)中药执业药师中药学专业知识(二)
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Dear Jenny,

I’m so worried when I see that you’re not a little tired and nervous about the coming College Entrance Examination; Here is some advices to help you prepare the coming exam.

Have enough sleep, whatever much work you have to do,or you’ll feel sleepy on an

occasion in class. A balanced diet will certainly help a lot. Having more fresh fruit and

vegetables every day are good for you. Which you know, a proper method of learning will

enable you to learn more and faster. To get better results, that is wise to be attentive and make

every effort to gain knowledge. And you were supposed to review your notes taking down after

class every day. Always remember to stay happily and optimistic so that you can be energetic

while doing the revision. I hope you’ll no longer feel tired and nervous.

Best wishes.

Yours,

Li Ming

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患者男性,78岁,1天前因右腹股沟疝嵌顿手法回纳后,即感腹痛。现因腹痛加剧、腹胀、气促、呕吐而来就诊。查体:神志淡漠,四肢厥冷。脉细速140次/分,血压60/40mmHg,腹胀,全腹压痛、反跳痛、肌紧张,以脐右最为明显,诊断肠坏死穿孔、弥漫性腹膜炎、中毒性休克。

儿童患腹股沟疝,首选的术式()

A.单纯疝囊高位结扎术

B.佛格逊法

C.麦克凡法

D.巴西尼法

E.疝形成术

题型:单项选择题

关于操纵基因的叙述,下列哪项是正确的()。

A.与阻遏蛋白结合的部位

B.与RNA聚合酶结合的部位

C.属于结构基因的一部分

D.具有转录活性

E.是结构基因的转录产物

题型:单项选择题

地震烈度

题型:单项选择题

环切法和行切法各有何特点?分别适用于什么场合?

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