Each unit in the Student' s Book is a two-page spread that teaches a specific grammar point on the left-hand page, and provides practice exercises on the right. A unique combination of reference grammar and practice book, this book can be used as a classroom text or for self-study. The new edition includes an Audio CD and nine units of new material. Two entirely new sections have also been added: Additional Exercises, which give students the opportunity to consolidate what they have learned; and the Study Guide, which helps students figure out which units they need to study. An answer key is now included in the back of the book. An edition without answers is also available. Grammar in Use Intermediate, is suitable for students who are preparing for the TOEFL® Test and other standard examinations. Grammar in Use Intermediate is a highly successful grammar text known for its clear explanations and innovative format.
Grammar in Use Intermediate with answers Pack (+ Audio CD)
|Формат:|| Страниц 352|
Cambridge University Press
Evaluating the GPRS Radio Interface for Different Quality of Service...
Figure 8 i ves iga es he impac of he maximum umber of GPRS user per cell o he performa ce of GPRS for he dy amic cha el alloca io scheme wi h 1 PDCH reserved. Of course, he expec ed umber of GPRS users should be less ha he maximum umber i order o avoid he rejec io of ew GPRS sessio s. O he o her ha d, he maximum umber of ac ive GPRS sessio s mus be limi ed for guara eei g quali y of service for every ac ive GPRS sessio eve u der high raffic. he radeoff be wee i creasi g performa ce for allowi g more ac ive GPRS sessio s a d he i creasi g blocki g probabili y for GPRS users is illus ra ed by he curves of Figure 8. Co clusio s his paper prese ed a discre e-eve simula or o he IP level for he Ge eral Packe Radio Service (GPRS). Wi h he simula or, we provided a comprehe sive performa ce s udy of he radio resource shari g by circui swi ched GSM co ec io s a d packe swi ched GPRS sessio s u der a s a ic a d a dy amic cha el alloca io scheme. I he dy amic scheme we assumed a reserved umber of physical cha els perma e ly alloca ed o GPRS a d he remai i g cha els o be o -dema d cha els ha ca be used by GSM voice service a d GPRS packe s.
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|Grammar in Use Intermediate Workbook without answers Cambridge University Press Smalzer |
The Workbook provide students with further opportunities to practice difficult grammar points, and to consolidate their understanding of related grammar topics.
|DVD. English Grammar in Use Intermediate Level Classware DVD-ROM with Answers |
Zoom in to focus students' attention on individual grammar points, or personalise exercises by highlighting, hiding and revealing, adding notes or linking to your own files. The Classware contains the whole book, plus audio, on one convenient disk designed to encourage lively, heads-up interaction. English Grammar in Use Classware is an innovative way to present grammar to the whole class.
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Ideal for students of any discipline, from engineers or social scientists to business students or lawyers, it covers all the key vocabulary they will come across in academic textbooks, articles, lectures and seminars, allowing them to function confidently in an English-speaking academic environment.
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