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Switzerland has opened the world's longest suspension footbridge(悬索桥). It is 494 meters long. The bridge is suspended between 1,600 meters and 2,200 meters above sea level. It is only 65 centimeters wide and goes as high as 85 meters above the ground.

Hikers, within sight of the famous mountain, the Matterhorn, and the Bernese Alps, can cross it in about 10 minutes. The bridge crosses the deepest-cut valley in Switzerland. Hikers can look down onto it through grates in the bridge. Without the bridge, the journey took up to four hours before.

According to Swiss reports, it took only 10 weeks to build the bridge. And the structure surpasses(超越) Germany’s “Titan-RT” as the world’s longest suspension footbridge. The "Titan-RT", which opened last month, is just over 450 meters long. It crosses Germany's highest reservoir, the Rappbode Dam.

The Swiss bridge is also longer than the so-called "footbridge in the sky". The footbridge in the sky was built in 2014, and is part of the Sochi Sky Park in Russia. It is 439 meters long and includes observation platforms looking on the mountains and the Black Sea Coast.

1.What is the distance between the Swiss suspension footbridge and the ground?

A 65 meters.

B 85 meters.

C 1600 meters.

D 2200 meters.

解析：选B。细节理解题。根据第一段最后一句It is only 65 centimeters wide and goes as high as 85 meters above the ground.可知这座瑞士悬索桥离地面85米，故选B。

2.How much time could the Swiss bridge save for us?

A 10 minutes.

B 230 minutes.

C 240 minutes.

D 250 minutes.

解析：选B。数字计算题。根据第二段第一句Hikers, within sight of the famous mountain, the Matterhorn, and the Bernese Alps, can cross it in about 10 minutes和第二段最后一句Without the bridge, the journey took up to four hours before.可知有桥和没有桥花费的时间分别是10分钟和4个小时，因此桥可以节约230分钟，故选B。

3.Which is the longest bridge before the Swiss suspension footbridge?

A Titan-RT.

B Bridge Matterhorn.

C Bridge Bernese Alps.

D The Russia footbridge in the sky.

解析：选A。细节理解题。根据第三段第二句And the structure surpasses Germany’s “Titan-RT” as the world’s longest suspension footbridge.可知此前世界上最长的桥是德国的Titan-RT，故选A。

4.Which bridge is built first?

A Titan-RT.

B Bridge Matterhorn.

C The Russia footbridge in the sky.

D The Swiss suspension footbridge.

解析：选C。细节理解题。根据第四段第二句The footbridge in the sky was built in 2014可知俄罗斯天空步行桥建于2014年；根据第三段第三句The "Titan-RT", which opened last month, is just over 450 meters long.可知德国的Titan-RT是上个月建成，瑞士的步行桥是现在建成，都比俄罗斯的天空步行桥要晚，所以俄罗斯的天空步行桥是最早建成的，故选C。

5.Where can you see the Black Sea coast?

A On Titan-RT.

B In Matterhorn.

C In Bernese Alps.

D On the Russia footbridge in the sky.

解析：选D。细节理解题。根据最后一段最后一句It is 439 meters long and includes observation platforms looking on the mountains and the Black Sea Coast.可以俄罗斯的天空步行桥设有观景平台，在那里可以看到黑海海岸，故选D。