Definition A tree is a collection of nodes. The collection can be empty: otherwise, a tree consists of (1) a distinguished node r, called the root; (2)and zero or more nonempty(sub)trees T1,., Tk, each of whose roots are connected by a directed edge from r Note:

1. Fill in the blanks with appropriate words according to the text (1) Multimedia is the combination of computer and video technology (2)In fact, Multimedia is just two media: sound and picture (3) Multimedia PC needs to be more

Unit 8 Computer Networking Text 1 Data Communications The end equipment can be computers, printers, keyboards, CRTs, and so on. They are generates the digital information for transmission or uses the received digital data. This equip g

Chapter Arrays Chapter 7 Arrays √ derived type; √ set of homogeneous elements; vcan be thought of as a simple variable with an index, or subscript, added. One-dimensional Arrays Two-dimensional Arrays Character Arrays

Handout written by maggie Johnson and revised by me Three address code Three-address code(tac) will be the intermediate representation used in our Decaf compiler. It is

unit 9 Here are the seasons to be jolly I. Basic listening practice the holidays people celebrate, Christmas, Easter, Mother's Day . which are the most important to you? M: Christmas and easter, because they mark events in Jesus Christ's life: his birth and

Uint10 I. Basic listening Practice 1. Script W: Many Chinese students are too shy to say anything in a classroom M: I think they dont speak because their culture values modesty, and they dont want to appear to be showing off. Goes back to Confucius

Uint I. Basic listening practice 1. Script M: We offer all kinds of tours and excursions. do you have anything particular in W: Not really, we'd just like to see the local sights and have an English speaking guide. It would be good if they were someone local too. My husband is interested in the local stories and folklore

II. Listening Skills Listening to People talk about health 1. M: I haven't been to see my doctor for a very long time. I'm worried that he'll be angry with me for not having a physical examination for so long w: Which is more important, the doctors feelings or your health? Youd better go if you want to make sure everything is all right with you. It seems that the man worries more about the doctor's feelings than his own healtl

Unit 6 I. Basic listening practice 1. Script W: Are those cigarettes yours? I thought you quit. If you go back to it, your teeth and fingers will be nicotine-Stained; your breath and clothes will smell smoky M: I didnt. I swear. Ads showing diseased lungs kept me from starting again. Believe