黄芩苷和黄芩素 A.黄酮 B.二氢黄酮 C.异黄酮 D.黄酮醇 E.黄烷-3-醇

题型:单项选择题

问题:

黄芩苷和黄芩素

A.黄酮
B.二氢黄酮
C.异黄酮
D.黄酮醇
E.黄烷-3-醇
下列化合物的结构属于

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)
题型:单项选择题

Complete the following passage by filling in each blank with one word that fits the context.

Last month we finally got a chance to have a trip to E’mei Mountain, __48___ we had longed to do for ages. It was there ___49___ I was amazed by the most beautiful scenery I had ever seen!

The weather didn’t seem to welcome us when we got to West China’s Chengdu city --- it was quite wet and cold. On the coach heading to the mountain, I couldn’t help feeling disappointed. “What a bad day!” I said to myself when looking out of the window, “We may not be able to see a lot in the mountain. And ___50___ a pity it will be if we miss the sunrise next morning!”

The guide denied the possibility of a sunny day. “Actually, seldom ___51___ we have bright sunshine here, especially in winter.” he said.

Very early the next morning, amazingly, we got completely satisfied in a totally unexpected way. On the way up the mountain, we found everything was becoming white --- it was snowing! We screamed. Arriving at the top of the mountain, we found ___52___ in a white world that only existed in fairy tales. ___53___ could help describe what we saw. We were jumping, screaming, taking photos, trying to fill our eyes __54_____ everything we could see, because we knew that this was the ___55____ time to see such beauty of the nature, and probably, the only time in our lives.

题型:单项选择题

我国的国徽中间是五星照耀下的 * * ,周围是:( )。

A.麦穗和镰刀

B.镰刀和斧头

C.谷穗和齿轮

D.齿轮和麦穗

题型:单项选择题

没有明确潜伏期的感染,发生在入院48小时以后的即医院内感染。

题型:单项选择题

建筑物重置价格是指采用与估价对象建筑物相同的建筑材料、建筑构配件、建筑设备和建筑技术及工艺等,在估价时点的财税制度和市场价格体系下,重新建造与估价对象建筑物相同的全新建筑物的必要支出和应得利润。( )

题型:单项选择题

发现有人触电应立即()。

A.组织抢救

B.切断电源

C.人工呼吸

D.心肺复苏

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