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

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

武汉工程大学：2018年6月大学英语四六级考试监考培训

一、 Duality对偶 二、 Dual Problem对偶问题 三、 Dual Linear Programming 四、对偶线性规划 五、 Dual Theory对偶理论

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

Contents Teaching Objectives Background Information Text Organization Language Points

Contents Teaching Objectives Background Information Text Organization Language Points Discussion

Contents Teaching Objectives Background Information Text Organization Words and Expressions Grammatical Structures Discussion

Contents Teaching Objectives Background Information Text Organization Words and Expressions Grammatical Structures Questions