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【单选题】
糖类是中药中普遍存在的成分,中药中的多糖主要有淀粉、菊糖、黏液质、纤维素等,大多无生物活性,在中药的提取分离中通常作为杂质而被除去。提取含有大量淀粉等多糖中药成分时采用的方法是()
A.
浸渍法
B.
渗漉法
C.
煎煮法
D.
回流法
E.
或提取法
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参考答案:
举一反三
【单选题】The People ’ s Republic of China was ________ by many countries as soon as she was founded.
A.
admitted
B.
permitted
C.
recognized
D.
allowed
【判断题】圆柱和圆锥因为是曲面立体,所以其表面不存在直线。
A.
正确
B.
错误
【单选题】蛋白尿是是指尿中蛋白质含量超过
A.
0.1g/L
B.
0.15g/L
C.
0.2g/L
D.
0.25g/L
E.
0.3g/L
【单选题】下列有关纤维蛋白溶解药的叙述不正确的是
A.
对形成已久的血栓难以发挥作用
B.
尿激酶的出血发生率远远小于链激酶
C.
组织型纤溶酶原激活物对血栓具有一定的选择性
D.
尿激酶无抗原性
【简答题】In retrospect, she admitted she didn't pay enough attention to her studies in the first fall __________ at Harvard as she was hooked on the Internet all day long.
【简答题】单词拼写。 1. To the ______ (满意) of my parents, I was admitted into a university in Jiangsu. 2. Don't blame him. It was not his f______ after all. 3. I think this is a complex problem, so we need an expert...
【多选题】滚动轴承根据承受载荷的方向或接触角的不同,可分为()。
A.
向心轴承
B.
球轴承
C.
推力轴承
D.
角接触轴承
【多选题】有关纤维蛋白溶解的叙述,正确的是
A.
降解纤维蛋白
B.
只降解凝血因子 I
C.
能清除血管内的血栓
D.
纤维蛋白降解后不再凝固
【简答题】She was admitted as a member of the trade 。
【单选题】Q: According to Helen, what was Mrs. Svoboda like when she was just admitted? A: Mrs. Svoboda wasn’t as _____ as she is now, but she was still pretty _____. She used to give Helen grief over the smal...
A.
bad, critical, stealing
B.
good, happy, selling
C.
healthy, ill, taking
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