[解析]
(1)细节理解题。根据Blue Badge Tourist Guides' cycling tours部分的Explore London on two wheels and learn all about its history,hidden cultures and secrets with a trained Blue Badge Tourist Guide(在两个轮子上探索伦敦,了解它的历史,隐藏的文化和秘密与训练有素的蓝徽章导游),可知游客了解伦敦历史的最佳自行车之旅是Blue Badge Tourist Guides' cycling tours。故选B。
(2)细节理解题。根据London Bicycle Tour Company's cycling tours部分的You can also see the city in a different light on a sunset cycling tour(在日落骑行之旅中,你也可以从不同的光线下欣赏这座城市),可知London Bicycle Tour Company's cycling tours的特殊之处是可以从不同的光线下欣赏这座城市,而其他三种都没有这个特点。故选D。
(3)文章出处题。通读全文可知本文推荐了四种最好的伦敦骑行之旅,特别是根据第一段的As you whizz (飞速行驶) past the sights with the wind in your hair,you'll discover that cycling is one of the best ways to see the city.Read on to find out about the best cycling tours in London(当你在风吹过你的头发的时候,你会发现骑自行车是游览这个城市最好的方式之一。继续往下读,找出伦敦最好的骑行之旅),可知这篇文章可能出自一本旅游宣传小册子。故选A。