出版時間:2007-7 出版社:西北農(nóng)林科技大學(xué) 作者:孟建平 編 頁數(shù):146
內(nèi)容概要
《同步A+B一課三練:數(shù)學(xué)(9年級全)(套裝AB共2冊)》包括了:第一章反比例函數(shù)、第2課時1.1 反比例函數(shù)(二)、第4課時1.2 反比例函數(shù)的圖象和性質(zhì)(二)、第一章自測題、第二章二次函數(shù)、第2課時2.2 二次函數(shù)的圖象(一)、第4課時2.2 二次函數(shù)的圖象(三)、第6課時2.4 二次函數(shù)的應(yīng)用(一)、第8課時2.4 二次函數(shù)的應(yīng)用(三)、第二章自測題、第三章圓、第2課時3.1 圓(二)、第4課時3.2 圓的軸對稱性(二)、第6課時3.3 圓心角(二)、第8課時3.4 圓周角(二)、第10課時3.5 弧長及扇形的面積(二)、第12課時本章復(fù)習(xí)、第三章自測題、第四章相似三角形、第2課時4.1 比例線段(二)、第4課時4.2 相似三角形、第6課時4.3 兩個三角形的相似判定(二)、第8課時4.4 相似三角形的性質(zhì)及其應(yīng)用(二)、第10課時4.6 圖形的位似、第四章自測題等內(nèi)容。
書籍目錄
《同步A+B·一課三練:英語(9年級全)(A本)》目錄:Module 1 Wonders of the worldUnit 1Unit 3Module 2 Great booksUnit 1Unit 3Module 3 Sporting lifeUnit 1Unit 3Module 4 Great inventionsUnit 1Unit 3Module 5 MuseumsUnit 1Unit 3Module 6 Save our worldUnit 1Unit 3Module 7 AustraliaUnit 1Unit 3Module 8 PhotosUnit 1Unit 3Module 9 Cartoon StoriesUnit 1Unit 3Module 10 FithessUnit 1Unit 3Module 11 PopulationUnit 1Unit 3Module 12 Summer in LAUnit 1Unit 3下冊Module 1 TravelUnit 1Unit 3Module 2 EducationUnit 1Unit 3Module 3 Now and thenUnit 1Unit 3Module 4 The way we lookUnit 1Unit 3Module 5 Rules and suggestionsUnit 1Unit 3Module 6 Look after yourselfUnit 1Unit 3Module 7 Eating togetherUnit 1Unit 3Module 8 On the townUnit 1Unit 3Module 9 English for you and meUnit 1Unit 3Module 10 My future lifeUnit 1Unit 3《同步A+B·一課三練:英語(9年級全)(B本)》目錄:上冊Module 1 Wonders of the worldUnit 2Review of Module 1Module 2 Great booksUnit 2Review of Module 2Module 3 Sporting lifeUnit 2Review of Module 3Module 4 Great inventionsUnit 2Review of Module 4Module 5 MuseumsUnit 2Review of Module 5Module 6 Save our worldUnit 2RevieW of Module 6Module 7 AustraliaUnit 2Review of Module 7Module 8 PhotosUnit 2Review of Module 8Module 9 Cartoon StoriesUnit 2Review of Module 9Module 10 FithessUnit 2Review of Module 10 Module 1 1 PopulationUnit 2Review of Module 11 Module 1 2 Summet in.LAUnit 2Review of Module 12 下冊Module 1 TravelUnit 2Review of Medule 1Module 2 EducationUnit 2Review of Module 2Module 3 NOW and thenUnit 2Review of Module 3Module 4 The way we lookUnit 2Review of Module 4Module 5 Rules and suggestionsUnit 2Review of Module 5Module 6 Look after yourselfUnit 2Review of Module 6Module 7 Eating togetherUnit 2Review of Module 7Module 8 On the townUnit 2Review of Module 8Module 9 English for you and meUnit 2參考答案
章節(jié)摘錄
插圖:In today's world, almost everyone knows that air pollution and water pollution are harmful topeople. However, not all the persons know that noise is also a kind of pollution, and that is harmfulto human beings, too. People who work and live under noisy conditions usually become deaf. Today, however, scien-tists believe that 10 percent of workers in Britain are being deafened by the noise where they work.Many of the workers who print newspapers and books, and who weave cloth become deaf. Quitea few people living near airports also become deaf, Recently it was discovered that many teenagers inAmerica could hear no better than 65-year-old people, for these young people like to listen to "pop"music and most of "pop" music is a kind of noise. Besides, noise produced by jet planes or machineswill make people's life difficult and unpleasant, or even make people ill even drive them mad.
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