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Now, scientists are coming up with a new study. The study is about Greenland. Greenland is the biggest island in the world. It is full of ice. However, it is getting warmer, and something bad is happening. The ice is melting. It is turning into water.

Last year, 586 billion tons of Greenland’s ice melt. It is a lot of ice. It is the same amount as 140 trillion(万亿) gallons of water. It is not easy to imagine the amount. Greenland’s ice increases the world’s sea level by 0.06 inches last year. It is a very big number.

Scientists say that climate change is the main problem. Our Earth is getting warmer. Ice is melting. It is a problem for countries close to the sea. Some islands will be under water in the future.

1.What can we know about Greenland?

A It is a country.

B It grows warmer there.

C It has a lot of water.

D The weather there is bad.

解析：选B。细节理解题。根据文章第一段However, it is getting warmer...可知，当地天气变得越来越暖和，故选B。

2.The underlined word “melting” means _______ in Chinese.

A 增加

B 消失

C 融化

D 减少

解析：选C。词义猜测题。根据文章第一段最后一句It is turning into water.可知，冰变成了水，由此推断melting意为“融化”，故选C。

3.What’s the main idea of Paragraph 2?

A What the sea level is.

B How fast the water runs.

C How the ice turns into water.

D How much ice changes into water.

解析：选D。主旨大意题。根据文章第二段内容可知，去年，格陵兰岛的5860亿吨冰融化了，相当于140万亿加仑的水。这是难以想象的数量，故选D。

4._____ when our Earth gets warmer.

A There is no ice in the world

B People have to move their homes

C All the islands will be under water

D Some countries may have problems

解析：选D。细节理解题。根据文章最后一段第四句It is a problem for countries close to the sea.可知，对于靠近海洋的国家来说，气候变暖是一个问题，故选D。