Part3 Practice on Text Task 1: Listening training Dictation of some key words Directions: You will hear some key words twice, most of which are taken from the Word Study. Then finish the Crossword Puzzle. ( See you book p. 2. Dictation of some key expressions Directions: You will hear some key expressions twice, most of which are taken from this text. Then you are asked to complete the missing words 1)data compression_4)anuncompressedmessage 2)encoding information 5)in faxtransmission 3)asingle output file) randomly distributed-blackink 2021/2/20 P.6
2021/2/20 P.6 Task 1: Listening training Dictation of some key words Directions: You will hear some key words twice, most of which are taken from the Word Study. Then finish the Crossword Puzzle. (See you book p. ) 2. Dictation of some key expressions Directions: You will hear some key expressions twice, most of which are taken from this text. Then you are asked to complete the missing words. @ Part3 Practice on Text 1) data________________ 2) ___________information 3) a single_______________ 4) an ___________________message 5) in fax___________________ 6) ______________________black ink compression encoding output file uncompressed transmission randomly distributed
Task 2. Read. Write and Translate Read and Reply Directions: Students are required to read aloud the whole text after the teacher. Then give short answers to the following questions a) What is data compression? Data compression is the process of encoding information using fewer bits than an unencoded representation would use through use of specific encoding schemes b) What would be discovered if a ty pical message were statistically analyzed? If a typical message were statistically analyzed, it would be found that certain characters are used much more frequently than others c)Can all kinds of data be compressed to the same degree? No 2021/2/20 P7
2021/2/20 P.7 Read and Reply Directions:Students are required to read aloud the whole text after the teacher. Then give short answers to the following questions: a) What is data compression? b) What would be discovered if a typical message were statistically analyzed? Task 2: Read, Write and Translate Data compression is the process of encoding information using fewer bits than an unencoded representation would use through use of specific encoding schemes. If a typical message were statistically analyzed, it would be found that certain characters are used much more frequently than others. No. c) Can all kinds of data be compressed to the same degree?