There are dinosaurs in abundance along Dorset and East Devon’s spectacular Jurassic Coast. Frequently proclaimed as "walking wit

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问题     There are dinosaurs in abundance along Dorset and East Devon’s spectacular Jurassic Coast. Frequently proclaimed as "walking with dinosaurs" or a "walk through time" the section of the South West Coast Path which stretches from Studland Bay in Dorset to Exmouth in Devon is nothing if not dramatic. There are sections of the walk—such as the lush jungle-like undercliff between Seaton and Lyme Regis—which are pure Jurassic Park. At any moment you half expect a fearsome creature to stamp out of the swamp and ferns.
    But it’s the sense of natural history, geology and the sheer varied beauty of the coastline that makes this a walkers’ paradise. The Jurassic Coast represents 185 million years of earth history in just 95 miles. The red cliffs of East Devon date back some 240 million years to the Triassic period when vast deserts covered the area.
    A fossil walk is one way of getting hands-on experience of the landscape’s geology. Brandon Lennon is a professional fossil collector who runs guided tours. The walks are planned around safe tides and only last a few hours so one can be easily incorporated into a longer walk. According to Lennon, because of a relatively calm winter this year there have been few landslips and subsequently not much erosion which loosens the fossils on to the beach. But on the weekend that I visited in May, someone still managed to find part of the vertebrae of an ichthyosaur and an ammonite.
    There are also other guides who will help you plan a walking trip along parts or all of the Jurassic Coast. At the Devon end, Simon Gooch has just launched Jurassic Coast Tours. He offers tailor-made advice to walkers and is happy to lend out rucksacks, binoculars and drop and pick up guests in his minibus—a useful service if you don’t want to have to wait for the bus or burden yourself with the rucksack while walking along the coast.
    However, if you’re going it alone, here’s an idea. Take the slow train to Dorchester or Axminster. Get picked up from the station by the walker-friendly people at the Bull Hotel in Bridport—if you can get a bed at this increasingly popular boutique hotel. From here you can walk a mile out of town along the river to West Bay and turn right to Lyme Regis or left towards Burton Bradstock and Chesil Beach. Alternatively a member of staff will drop you off somewhere along the Jurassic Coast and you can make your own way back to the hotel. The deal is you take the Bull’s resident spaniel Lulu with you.
The main purpose of the author in writing this text is to

选项 A、introduce dinosaurs and their homeland in Dorset and East Devon.
B、describe the natural history, geology and the beauty of the Jurassic Coast.
C、suggest that people take an adventure to Jurassic Coast alone.
D、advertise the charm of Jurassic Coast and attract more tourists to go there.

答案D

解析 作者写本文的主要目的是[A]介绍恐龙以及它们在多塞特和东德文的家园。[B]描写侏罗纪海岸的自然历史、地理和美丽风光。[C]建议人们独自去侏罗纪海岸探险。[D]为侏罗纪海岸的魅力做广告以吸引更多的游客前去参观。本文主要介绍了在多赛特和东德文壮观的侏罗纪海岸有许多恐龙化石,到这里旅行的游客可以体验“与恐龙同行”和“穿越时空”的感觉,接着作者提出了可以跟着导游旅行或选择独自旅行的建议。[A]、[B]和[C]分别是本文描述的内容,但是并没有体现其写作目的。只有[D]道出了作者的意图。
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