多选题Why did the maritime trading routes become subject of fierce rivalries between the Portuguese, Dutch, and British by the 16th and 17th centuries?多选题Which of the following books mentions the term "Silk Road" first?判断题Which of the following descriptions are true about the trade in the Far East?多选题Which of the following is NOT true?多选题In which book was the term "maritime silk road" first used officially多选题Which of the following might be the greatest contribution of the maritime trading routes to the world civilization?多选题Which of the following may NOT be a contribution to the establishment of the maritime trading links between east and west?多选题How many sections can the ancient maritime trade route be divided into?多选题When was silk firstly produced in China?多选题When was silk introduced to the Roman Empire?判断题Which of the following descriptions are true about the trade on the Bay of Bengal?多选题What is true about the trade on the Arabian Sea?多选题Why were the maritime trade routes known as the Spice Roads?多选题In which book does the notion "maritime silk road" first occur?判断题What is/are said about the Red Sea trade route?