何凯文每日一句：2018考研英语第115句
2018何凯文每日一句上线，考生们可关注文都考研网，了解每日一句具体内容。每一场考研路都有成败，希望考生们能不忘初心，坚持当初决定考研的信仰。何凯文每日一句会全程陪伴考生，走完2018考研路。对于考研英语的复习，必然是长期积累夯实基础的过程，针对考研英语复习，小编也会及时整理推送相关内容。以下是第115句：【温馨推荐】何凯文每日一句：2018考研英语汇总(KK精讲)
今天的句子：
In the U.S., the Food and Drug Administration has approved three prescription treatments since 2009: Ulesfia, which contains high levels of alcohol and kills the lice essentially by suffocating them;Natroba, which overexcites nerve cells by activating their nicotinic acetylcholine receptors; and Sklice, which inhibits nerve impulses by activating their glutamate chloride channels.
句子的解析：
词汇突破：
1.Prescription 处方
2.Alcohol 醇类物质
3.Suffocate 窒息
4.Activate 激活
5.Nicotinic acetylcholine 乙酰胆碱
6.Receptor 受体
7.Inhibit 抑制
8.Nerve impulse 神经冲动
9.Glutamate谷氨酸盐
10.Chloride氯化物；氯离子
确定主干：
the Food and Drug Administration has approved three prescription treatments since 2009
切分成分：
1.Ulesfia, which contains high levels of alcohol and kills the lice essentially by suffocating them;
2. Natroba, which overexcites nerve cells by activating their nicotinic acetylcholine receptors;
3. and Sklice, which inhibits nerve impulses by activating their glutamate chloride channels.
参考译文：在美国，2009年之后食品药品监督管理局批准了三种治疗处方：含有高浓度醇的Ulesfia，该药基本上是通过窒息杀死虱子；通过激活乙酰胆碱受体令神经细胞过度兴奋的Natroba；以及通过激活谷氨酸氯离子通道来抑制神经冲动的Sklice。
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