Swedish scientists do an experiment(实验). They put a cloth(布) on a glacier(冰川). The glacier is the Helags Glacier in the north of Sweden.
All glaciers in the world are melting. They change into water. This happens because the Earth is getting warmer. Scientists are thinking of ways on how to stop it.
They put a cloth on the top of the Helags Glacier in summer. The cloth stops the sun. It keeps the glacier cold. Scientists save at least(至少) 3.5 meters of ice. The ice does not melt.
The melting of glaciers is a big problem. Scientists believe that more people know about the problem now.
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1.Where is the Helags Glacier?
A It is in the east of Sweden.
B It is in the west of Sweden.
C It is in the south of Sweden.
D It is in the north of Sweden.
解析:选D。D 细节理解题。根据第一段The glacier is the Helags Glacier in the north of Sweden.可知,希拉格斯冰川位于瑞典北部,故选D。
2.The underlined word “ melting” means_____ in Chinese.
A 形成
B 融化
C 增加
D 减少
解析:选B。B 词义猜测题。根据第二段They change into water.可知,冰川变成水,由此猜测melting意为“融化”。故选B。
3.Why do the scientists put a cloth on a glacier?
A To keep it cold.
B To get the water.
C To keep it warm.
D To make it beautiful.
解析:选A。A 细节理解题。根据第三段It keeps the glacier cold.可知, 冰川上方覆盖布是为了使它保持寒冷。故选A。
4.How is the experiment in the end?
A The glacier grows bigger.
B The glacier becomes smaller.
C The glacier stops changing.
D The glacier changes into water.
解析:选C。C 推理判断题。根据第三段Scientists save at least 3.5 meters of ice. The ice does not melt.可知,科学家们拯救了至少3.5米的冰,这些冰没有融化,即冰川没有变化。故选C。
5.What can we infer(推断) from the passage?
A Getting warmer is bad for the glacier.
B More people begin to care about the glaciers.
C Scientists cannot do the experiment in summer.
D It is time to protect glaciers in the world now.
解析:选A。A 推理判断题。根据第二段This happens because the Earth is getting warmer.可知,冰川融化是因为地球正在变暖,由此推断气候变暖对冰川不利。故选A。