STZ-treated rats， which are totally defective in insulin secretion， are a common model of Type 1 diabetes.
He ran so fast that nobody in my class could catch up with him. 他跑得那么快，以至于我们班没有人能赶上他。that引导的结果状语从句，当so与其所修饰的词位于句首时，主句使用倒装结构。
Words and Expressions in Each Unit七年级上册英语单词表Starter Unit 1good /gud/ adj. 好的morning /'mɔ:niŋ/ n. 早晨；上午Good morning! 早上好！hi /hai/ interj.
THIS， THAT， THESE， THOSE can be used as demonstrative pronouns and demonstrative adjectives. We use THIS and THAT with singular and uncountable nouns and we use THESE and THOSE with plural nouns.当自报家门时，用THIS， 如HI， THIS IS ANDY / THIS IS ANDY SPEAKING。
词源:From Middle English Englisch， English， Inglis， from Old English Englisċ ， from Engle ， a Germanic tribe + -isċ;
词源:From Middle English chiken ， from Old English ċicen， ċycen ， of uncertain origin. Possibly from Proto-West Germanic kiukīn ， or alternatively from Proto-West Germanic kukkīn， equivalent to cock + -en.
-- What classes do you have on + 星期? In the living room there is a big TV and a new sofa. 在客厅有一个大电视和一个新沙发。
说明：因字体不兼容，单词的音标不能正确显示。若需下载打印，请浏览同名文件图片打印版。第一部分：高考英语二级词汇二、《小学阶段读音归类》读音分类，音节划分。看音写英，见英写汉。编写说明：*名家编写：笔者自学成才，从教高中英语、把关高三教学，集三十余年的智慧和经验的。
