蠕虫定义:一类软体的,靠肌肉伸缩而蠕动的低等多细胞动物。包括:

International Business negotiation A negotiation is a meeting or a series of meetings in which the parties need each ther's agreement to reach a specific objective The fundamental principles of negotiation 1. Negotiation is an element of human behavior

General outline skin is the biggest organ of the human body is composed of epidermis dermis and some accessory organs the function of the skin: barrier and protection

Content Decline of Roman Empire and the rise of Christianity Saint Augustine: City of God Saint Thomas Aquinas: God and Human Being Conflict between church and king Church and Medieval Feudalism

一、前言 二、人类染色体基本特征 三、染色体分组、核型与显带

The nature of language A definition: Language is human speech; the ability to communicate by this means; a system of vocal sounds and combinations of such sounds to which meaning is attributed, used for the expression or communication of thoughts and feelings; the written representation of such a system. (Webster's New World Dictionary)

Unit siⅸ Text A I. Pre-Reading Task 1. What makes human beings different from animals? A. The ability to use tools. B. The learning and sharing of behavior . The use of language. 2. Do you think animals have a culture? If yes, give an example

一、吸虫概论 二、华支睾吸虫 三、布氏姜片吸虫

一、成虫形态 二、线形 三、体小,体长1.5-4mm 四、虫体前端咽管约占虫体的1/3-1/2 五、雌虫的阴门位于体前13处

一、学习寄生虫学的目的与意义 二、寄生现象 三、寄生虫与宿主之间的相互关系 四、寄生虫感染的诊断 五、寄生虫病的流行与防治 六、人体寄生虫的种类与分类