第I卷（选择题）
一、阅读理解
Snorkelling in Silfra
The clear water at this UNESCO world heritage(遗产) site in Thingvellir National Park will leave you speechless. It is one of the highest rated dive sites in the world. During this journey, you will snorkel within a crack between the Eurasian and American continents. You’ll experience truly amazing views of the colorful underwater landscape, marine life(海洋生物), and geological formations. Silfra’s water is fresh and drinkable at around 2°C -- 4°C all year round. Visibility can reach more than 100 meters, and swimming often feels more like flying.
This trip is for anyone who knows how to swim and is up for a unique adventure. We offer transportation
