Text A Pre-reading task Before reading the passage, read the questions carefully and then try to find the answers as you read the passage What may the following paragraphs tell us about?

人教A版高中数学必修5第二章 数列2.5 等比数列的前n项和教案(2)

人教A版高中数学必修5第二章 数列2.5 等比数列的前n项和教案(4)

人教A版高中数学必修5第二章 数列2.5 等比数列的前n项和教案(6)

The bermuda triangle L. Introduction 1. Introductory Remarks The Bermuda Triangle. also called the Devils Triangle is an area of the Atlantic Ocean off southeast Florida, where the disappearance of ships and airplanes on a number of occasions has led to considerable interest in unexplainable losses and other

text A The Bermuda Triangle Text-related information Pre-reading questions Detailed study of the text Summary and outline Home assignment

L. Introduction 1. Introductory Remarks The pace of scientific and technological progress appears to speed up all the time. New inventions appear and quickly make hundreds of existing devices and procedures out of date. The computer technology is just one of the few most exciting current scientific

人教A版高中数学必修5第二章 数列2.5 等比数列的前n项和课件(1)

人教A版高中数学必修5第二章 数列2.5 等比数列的前n项和课件

Unit Two Text A l. Pre-reading Task ll. Related\\ Information lll. Outline& Summary IV. Detailed Study V. Home Assignment