【单选题】【消耗次数:1】
青蒿抗疟有效成分是
青蒿素
青蒿酸甲素
青蒿乙素
青蒿酸
青蒿酸甲酯
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相关题目
【单选题】 青蒿素抗疟作用发生在( )
①  红细胞内期
②  红细胞前期
③  红细胞外期
④  疟原虫配子体
⑤  以上均非
【简答题】 青蒿素是过[填空1]倍半萜,系从中药青蒿中分离得到的[填空2]有效成分。
【简答题】 青蒿素是过[填空1]倍半萜,系从中药青蒿中分离得到的[填空2]有效成分。
【单选题】 用青蒿素治疗疟疾,缺点是
①  对间日疟无效
②  对恶性疟无效
③  疗效不如氯喹
④  对抗氯喹疟疾无效
⑤  复发率高
【单选题】 我国科学家( )因发现青蒿素和双氢青蒿素而获得2015年诺贝尔奖医学奖。
①  李四光
②  屠呦呦
③  钱学森
④  袁隆平
【单选题】 我国发现的抗疟新药青蒿素,作为开发抗疟药的先导化合物发现的途径是
①  从随机筛选中发现
②  从生命基础研究中发现
③  从天然产物中发现
④  经组合化学方法发现
【单选题】 青蒿来源于
①  菊科植物青蒿
②  菊科植物黄花蒿
③  菊科植物滨蒿
④  菊科植物牡蒿
【多选题】 青蒿的功效是( )
①  清虚热
②  解暑热
③  退骨蒸
④  截疟
⑤  通淋
【单选题】 2015年,屠呦呦获诺贝尔生理学或医学奖,理由为她发现了青蒿素,这种药品可以有效降低疟疾患者的死亡率。青蒿素的研制原理一定程度上借鉴了()。
①  《黄帝内经》
②  《脾胃论》
③  《肘后备急方》
④  《本草纲目》
【多选题】 青蒿的性状特征有
①  茎呈方柱形
②  表面黄绿色或棕黄色,具纵棱线
③  叶互生,三回羽状深裂
④  花序极多,球形
随机题目
【单选题】 A: Do you have any check-in luggage? B: [填空]. Theyre heavy. I hope theyre not overweight. A: Theyre just under the maximum weight.
①  Yes, Ill show you
②  Yes, two pieces
③  Yes, there you are
④  Yes, not many
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①  Great!
②  How about you?
③  I miss it so much
④  Do you know billiards?
【单选题】 A: Do you know that Tony quarreled with his brother? B: I dont know,[填空].
①  nor dont I care
②  nor do I care
③  I dont care neither
④  I dont care also
【单选题】 A: Sorry to give you so much trouble. B: [填空].
①  OK. With great pleasure
②  Oh, really? Thats OK
③  Dont worry about it
④  Im sorry to hear that
【单选题】 A: What do you have in mind? B: Im thinking about jewelry or something valuable. A: Weve got beautiful jewelry here. If youre interested, [填空].
①  I can show you
②  you can see it
③  you should buy it
④  Ill get it
【单选题】 A: Were having a few people over for dinner Saturday. [填空] B: Oh, thank you. That would be great.
①  Are you doing anything then?
②  Wed love to have you around.
③  Itll be a lot of fun.
④  Have you heard about it?
【单选题】 A: Please remember me to your parents. B: [填空].
①  They remember seeing you once
②  I am afraid they have poor memories
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【单选题】 A: Is there anything I can do for you? B: [填空], there is something.
①  No, nothing
②  Well, now that you ask
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【单选题】 A: I like this flat very much, but Id like to come and see it on Friday at 5 oclock. Will that be convenient? B: [填空].
①  Its good for you
②  Thats right
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【单选题】 A: Mr. Wang, Im very much impressed. Theres no need for further questions. B: [填空].
①  Really? Thats great
②  Sorry, I didnt mean to bother you
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