一、图是一种模型,如公路、铁路交通图,通讯网络图等。 二、图示对现实的抽象,以点和线段的连接组合表示

Try to find out all expressions showing graceful hands” in our text.How many times? Find out words of Mrs. Clark Pick out descriptions about ward and Mrs Clarks physical conditions

Lead-in Questions 1. Are you iron deficient 2 How would you know? a, tired b have reduced ability to exercise. C have poor stamina d get frequent infections e are lethargIc

Leading-in Activities: Discussion 1. What's your definition of money? 2. What attitude should we take toward money? 3.what’ your fantasy?

Teaching Content Section a choose to be Alone on Purpose Sectionb roommate Contlicts Listening part

Helpful Information Telecommunications Optical fiber( the medium and the technology associated with the transmission of information as light pulses along a glass or plastic wire or fiber. Information age Information superhighway

武汉工程大学：《大学英语》考试A卷答案

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Unit Four Five symbols of america Five symbols of america Learn some important new words and phrases Appreciate the passage in section A Comprehension of the material in section A 1. Communicative method 2. Audio-lingual method 3. Grammar-translation method

公钥密码体制的简介 背包问题 RSA算法 ElGamal算法 ECC算法 IBE算法