新标准大与学英语三unit9 .ppt

proportion n. [C] a quantity of sth. that is a part or share of the whole 部分；份儿 e.g. On average, fathers spoke less than mothers did, but they did not differ in the length of utterances or proportion of questions asked. (CET4-2009-12) 平均来看，父亲说的话比母亲说的要少，但是从表达的长度或者提问的多少来看，父亲和母亲之间没有什么区别。 Choose the ONE that best completes the sentence. 1. When carbon is added to iron in proper ________ the result is steel. (CET4-2004-06-51) A) rates B) thicknesses C) proportions D) Densities Words Phrases C 2. It is clear that the dog has a much greater ________ of its brain devoted to smell than is the case with humans. (CET4-2006-06-64) A) composition B) Compound C) Percent D) proportion Words Phrases D comprise vt. (fml) consist of two or more things; make up; constitute 由……组成；组成；构成 e.g. 1. The fishing fleet comprises around 20 boats. 捕鱼船队由大约20艘渔船组成。 2. The course is comprised of ten core modules. 这门课程由十个主要的单元组成。 3. Twelve departments comprise this university. 12个系组成了这所大学。 Words Phrases substantial a. large in amount or degree 数目大的；可观的；大量的 e.g. 1. The country bought a substantial number of weapons. 这个国家购买了大量武器。 2. The study reveals very substantial differences between population groups. 这项研究表明，不同的群体之间有着显著的差别。 3. It’s not safe for you to take such a substantial amount of cash with you. 你身上带这么多现金是不安全的。 Words Phrases intermarriage n. the fact of getting married to someone from a different religion, race, or social group from you（不同宗教、种族或社会集团之间）通婚 e.g. The numbers also demonstrate that intermarriage is on the rise. 数据还表明异族婚姻呈上升趋势。 inter-: (prefix) between. It is used with some nouns, verbs, or adjectives. e.g. Internet interview international Words Phrases 英特网 接见，采访 国际的 hugely ad. very; very much 巨大地；非常 e.g. 1. The others seemed to find my discomfort hugely entertaining. 我觉得很尴尬，