of the World - it stretches nearly 1,500 miles along the eastern coastline of Australia and features about 3,000 reefs, 900 islands and more than 1,500 species of fish. Travelers can see these amazing natural structures from the air or underwater. However, large amounts of coral bleaching (褪色) caused by rising ocean temperatures put this place's continued existence at risk, so plan your visit soon to see this awesome sight up close.

1. What can you enjoy both in St. Lucia and Banff?

A. Diving. B. Snowboarding.

C. Hiking. D. Skiing.

2. Where may a historian choose to go?

A. Machu Picchu. B. Banff. Alberta.

C. St. Lucia. D. Great Barrier Reef

3. What do we know about the Great Barrier Reef?

A. People must take a plane to enjoy its beauty.

B. It's famous for coral reefs rather than fish.

C. It's on the western coast of Australia.

D. It may disappear if temperature keeps on rising.

【答案】1. C 2. A 3. D

【解析】

【分析】

本文是说明文，介绍了四处假期极好的去处及各自特色。

【1题详解】

细节理解题。根据St. Lucia中plan to hike the Piton Mountains or dive in the waters of Anse Chastanet.和Banff. Alberta中From hiking and whitewater rafting to skiing and snowboarding, Banff offers travelers an abundance of year-round outdoor activities.可知在St. Lucia和 Banff人们都可以徒步旅行，故选C.

【2题详解】

细节理解题。根据Machu Picchu中a visit to this Peruvian UNESCO World Heritage (遗产) site is a once-in-a-lifetime adventure.和Spend a few days accustoming yourself to the altitude in the neighboring city of Cusco, where you can experience a mix of