Unit 2 English Around the WorldReading: The Road to Modern EnglishReadingLearning aims:1.Learn to find the topic sentence in a paragraph( 段落).2.Learn to sum up ( 归纳)the main idea.3. Learn to find the detailed information.4. Learn to analyze( 分析) difficult sentences.Answer the following questions to see how much you know about English.Warming-up1.How many languages can you speak? 2. Which language has the largest number of speakers?3. Which language is the most widely used?4. How many countries s