【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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