1. (2023高三上·青岛开学考)  听材料，回答问题。

Occupying a special place and adventure lore, mountain huts have been offering a roof over<br />traveler's heads since the dawn of exploration.<br />Here are some of the most impressive ones to inspire your next expedition for when the<br />time is right to conquer mountains again.<br />Grands Mullets Hut, France.<br />Located on the way to the Mont Blanc mountain range, the Grands Mullets Refuge offers show<br />stopping views of the Alps.<br />Set at an altitude of 3,051 meters, the hut was built in 1853 to serve mountaineers exploring<br />the Alpine peaks.<br />It has 68 beds and is open from the end of March to the end of July.<br />Brandenberger House, Austria.<br />Standing in the very heart of the largest glacier system in the Eastern Alps, Brandenberger<br />House is an almost unreal sight.<br />Visitors should be aware that it's in the expert-only league of mountain huts as the<br />journey to reach it goes through complicated glacier routes.<br />Refugio Emilio Frey, Argentina.<br />Fairly easy to reach on a day hike, Refugio Emilio Frey is a treasure of Argentina's<br />superb Nachoel Huapi National Park.<br />It's home to one of the sharp Patagonian peaks.<br />Overnight stays are possible as the hut accommodates up to 40 guests and provides everything a mountain<br />traveler needs.<br />Using a special place and adventure lore, mountain huts have been offering a roof over<br />traveler's heads since the dawn of exploration.<br />Here are some of the most impressive ones to inspire your next expedition for when the<br />time is right to conquer mountains again.<br />Grands Mullets Hut, France.<br />Located on the way to the Mont Blanc mountain range, the Grands Mullets Refuge offers show-stopping<br />views of the Alps.<br />Built at an altitude of 3,051 meters, the hut was built in 1853 to serve mountaineers<br />exploring the Alpine peaks.<br />It has 68 beds and is open from the end of March to the end of July.<br />Brandenberger House, Austria.<br />Standing in the very heart of the largest glacier system in the Eastern Alps, Brandenberger<br />House is an almost unreal sight.<br />Visitors should be aware that it's in the expert-only league of mountain huts as the<br />journey to reach it goes through complicated glacier routes.<br />Refugio Emilio Frey, Argentina.<br />Fairly easy to reach on a day hike, Refugio Emilio Frey is a treasure of Argentina's<br />superb Nachoel Huapi National Park.<br />It's home to one of the sharp Patagonian peaks.<br />Overnight stays are possible as the hut accommodates up to 40 guests and provides everything a mountain<br />traveler needs.

1. （1） How long is the Grands Mulets hut open each year? 

   A . Three months B . Four months. C . Seven months.
3. （2） Which of the following is located in the heart of the Eastern Alps? 

   A . Grands Mulets hut, B . Refugio Emilio Frey. C . Branden burger Haus.
5. （3） What can people do in the Refugio Emilio Frey? 

   A . Have overnight stays. B . Enjoy the views of the Alps. C . Go through some complicated routes.