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News Report 2
新闻报道2
Summer doesn't begin for two more days, but scientists are already sounding the alarm about dangerous ice melts going on right now in Greenland.
夏天还有两天就开始了，但科学家们已经对格陵兰岛正在发生的危险冰川融化发出了警报。
The vast island usually locks away enough fresh water in its ice sheet, which if melted can raise global sea levels by 6 meters.
这个巨大的岛屿通常将足够的淡水锁在冰盖中，如果冰盖融化，全球海平面将上升6米。
And research shows that in recent years its ice has melted faster than ever before.
研究表明，近年来，冰层融化的速度比以往任何时候都要快。
This month, as temperatures in northwestern Greenland approach all-time highs, researchers are encountering unusual, surprising levels of melting ice in the region.
本月，随着格陵兰岛西北部的气温接近历史最高水平，研究人员在该地区发现了不同寻常、令人惊讶的融冰速度。
The most significant concern here is how early this is all happening.
最重要的问题是，这一切发生得有多早。
Greenland experiences annual ice melt and growth cycles.
格陵兰岛每年经历冰融化和生长周期。
But this year the melting season began in early May.
但今年的融化季节从5月初就开始了。
That's a month earlier than normal and something that's happened only once before in the historical record in 2016.
这比正常情况早了一个月，截至2016年的历史记录，这种情况只发生过一次。
That means that not only is the ice melting very fast.
这意味着冰层不仅融化得非常快。
It has more time to melt this summer than it would in a normal climate system.
与正常气候系统相比，今年夏天它有更多的时间融化。
Longer melt seasons like this one seemed to lead to much greater contributions to sea level rise than in previous decades.
像这次更长的融冰季节，对海平面上升的影响似乎比过去几十年大得多。
Questions 3 and 4 are based on the news report you have just heard.
请根据你刚刚听到的新闻报道回答3 - 4题。
]Question 3:What is scientists' warning in the news report?
问题3：新闻报道中科学家的警告是什么?
Question 4:What do we learn about this year's ice melting season in Greenland?
问题4：关于格陵兰岛今年的融冰季节，我们了解到了什么?
