Are you up for the challenge?準備好迎接挑戰(zhàn)了嗎? Task 1: Around the city 任務(wù)1:先在城市里轉(zhuǎn)轉(zhuǎn) Task 2: All aboard! 任務(wù)2:請上車! Task 3: A smaller town 任務(wù)3:一個小城市 Task 4: Heading north 任務(wù)4:向北行進 Task 5: Get out your compass 任務(wù)5:拿出你的指南針 Well done! 干得漂亮! Finding your way— the modern way 探尋你的路——用現(xiàn)代的方法 Glossary 詞匯表 Want to know more? 想知道得更多嗎? Index 索引