单独成册：对应学生用书第234页.阅读理解ASome of the best cycling routes in the world pass through the most beautiful scenery.Here are some of worlds best bike routes for cyclists who are either up for having a good sweat or simply seeing the world without leaving an ugly carbon footprint behind.The Great Ocean Road，Victoria，AustraliaIf you like a challenge，take on this 243kilometer windy road along Australias southeastern coast.If a day is all youve got，take the 60kilometer route from Torquay to Bells Beach.There youll cycle through rural farmland，enjoy the sweeping ocean views from cliff tops，and snake past the wetlands around Lake Connewarre.The Udaipur City Tour，Rajasthan，IndiaBiking is arguably the best way to explore Udaipur，Venice of the East.Cyclists often need to cycle past herdsmen and their goats and camels，sharing narrow，old pavements in this romantic place.But surrounded by ancient castles and grand palaces，Udaipur brings about one of the best biking experiences，allowing cyclists to truly discover rural India.The Karakoram Highway，ChinaPakistanThe Karakoram Highway is the highest international road in the world，reaching an altitude of 4，717 meters near the Khunjerab Pass.Starting in Kashgar，China，cyclists can travel up to 1，200 kilometers on mostly unpaved roads，but the views are as breathtaking as the riding.The Route of the Hiawatha，IdahoMontana，United StatesTake your family out to Montana this summer and cycle along the most scenic disused railroad in the country.The railroad turned bike trail turns into 24 kilometers of leisure biking that takes you over seven trestles(栈桥)and through 10 tunnels，with the longest one，the Taft Tunnel，stretching for 2.7 kilometers.语篇解读本文介绍了几个最佳的骑行路线。1In which tour can you enjoy the seaside scenery?AThe Great Ocean Road.BThe Udaipur City Tour.CThe Karakoram Highway.DThe Route of the Hiawatha.解析：细节理解题。根据The Great Ocean Road，Victoria，Australia部分第一句中的“coast”和最后一句中的“There youll cycle through rural farmland，enjoy the sweeping ocean views from cliff tops，and snake past the wetlands around Lake Connewarre.”，并结合题干可知，在骑行中可以享受到海边风景的是澳大利亚的这条骑行路线。答案：A2What can you do on the Udaipur City Tour?AGo to Venice.BFeed wild animals.CVisit cultural relics.DEnjoy modern architectures.解析：推理判断题。根据The Udaipur City Tour，Rajasthan，India 部分最后一句“But surrounded by ancient castles and grand palaces，Udaipur brings about one of the best biking experiences，allowing cyclists to truly discover rural India.”可知，在这条骑行路线中，Udaipur被古城堡和宏伟的宫殿所环绕，由此可推知，在这条骑行路线中，骑行者可以参观文化遗址。答案：C3Whats special about the Karakoram Highway?AIt is a totally undeveloped route.BIt goes along an abandoned railway.CIt owns the longest tunnel in the world.DIt lies higher than other international roads.解析：细节理解题。根据The Karakoram Highway，ChinaPakistan部分中的“The Karakoram Highway is the highest international road in the world.”可推知，the Karakoram Highway比世界上的其他路要高。答案：DBOn a college camping trip，curiosity about waves and sand caused Rob Thieler to study shorelines around the world.Thirty years later and now a US Geological Survey research geologist，Thieler，is combining science and smartphone technology to help study an endangered bird，the Atlantic Coast piping plover(笛)The piping plover is a shorebird that breeds(交配繁殖)along the Atlantic Coast，the Great Lakes and the Great Plains.Rising sea level associated with climate change，as well as increased development in their beach habitats(栖息地)，threatens the species(物种)To help track changes in piping plover habitats，Thieler developed a free app called iPlover in 2012.This is a marked change from the typical way scientists collect data，which involves gathering information using specialized equipment or writing in notebooks and then putting into spreadsheets.Since releasing iPlover，scientists have gathered data across 1，500 km of breeding range.That equals about a third of the distance across the US，which is a large area to cover for only two thousand breeding pairs of piping plovers on the east coast.Instead of having to travel and spend days at each site，a number of cooperators in the field use the app to collect and send data，allowing scientists to gather data more efficiently.It also allows them to collect data at the same time during each breeding season，providing a better picture of changes that happen over longer periods of time.And fast，centralized access means scientists can look at data quickly to get a realtime idea of where and how piping plovers are using their habitats.While iPlover is used by trained field staff，other apps like the US Geological Surveys webbased “iCoastDid the Coast Change？” invite citizen scientists to identify coastal changes by comparing birdseyeview photographs taken before and after storms.All the information scientists and citizen scientists alike collect helps federal and state agencies create policy plans for addressing climate change impacts(影响)w