每一場考研路都有成敗，希望考生們能不忘初心，堅持當初決定考研的信仰。何凱文每日一句會全程陪伴考生，走完2018考研路。對于考研英語的復習，必然是長期積累夯實基礎的過程，針對考研英語復習，小編也會及時整理推送相關內容。以下是第115句：

　　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：

　　詞匯突破：

　　1.Prescription 處方

　　2.Alcohol 醇類物質

　　3.Suffocate 窒息

　　4.Activate 激活

　　5.Nicotinic acetylcholine 乙酰膽堿

　　6.Receptor 受體

　　7.Inhibit 抑制

　　8.Nerve impulse 神經沖動

　　9.Glutamate谷氨酸鹽

　　10.Chloride氯化物;氯離子

　　確定主干：

　　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.

　　參考譯文：在美國，2009年之后食品藥品監督管理局批準了三種治療處方：含有高濃度醇的Ulesfia，該藥基本上是通過窒息殺死虱子;通過激活乙酰膽堿受體令神經細胞過度興奮的Natroba;以及通過激活谷氨酸氯離子通道來抑制神經沖動的Sklice。