問題詳情

DSeeing a volcano erupt is a wonderful experience, and you can really feel the heat by climbing to the summit of Pacaya for a close-up view. There are guided tours every day up this highly active volcano from Antigua, giving travlers a chance to see Mother Nature at her most powerful.Pacaya is an easy drive from Antigua, a beautiful city with many colorful houses along its old streets that are turned into art-works during its Holy Week festival. No matter when you come to Antigha, you won't miss the Pacaya-tour companies.But climbing Pacaya is no easy job: it is 2560meters high, and reaching the summit takes two to three hours of seemingly one-step-foreard and two-step-back movements. Ayou climb, ypu hear the dull sounds of ruptions high above. Steaming, hot ramains from recent eruptions begin to line the path as you near the active summit: the McKenney Cone. Just as though you were going to walk over the edge of the cone, the road turns to the left ang up to the relative safety of the old, inactive summit.Many tours are timed so that you arrive at the cone of the volcano in plenty of time fo sunset and the full contrast between the erupting red lava(熔岩)and the darkening sky. On a good day the view from the summit is extremely exciting. The active mouth boils, sending red lava over its sides, and once in a while shoots hot streams up to 100 meters into the air. There is a strong bad smell in the air even if you take care to be upwind of the cone. Aevening turns deeper into the night, the burning lava quietly falls down the side of the volcano. For ypu, too, it is time to get down.
68.What is the main purpose of this passage?
(A)To attract tourish to Pacaya
(B)To describe the beauty of Pacaya
(C)To introduce guided tours to Pacaya
(D)To explain the power of nature at Pacaya

參考答案

答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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