2024艾斯英语听力 2024艾斯英语听力提升训练答案

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艾斯英语

《艾斯英语：高中英语听力模拟试题精编1》是2011年4月1日中国出版集团、现代教育出版社出版的图书，作者是李俊和。

特色：材料真实新颖。真实性是听力教学的科学要求，《艾斯英语:高中英语听力模拟试题精编1(2012基础训练)》听力材料全部是对话和独白，即口语体的形式，真实生动。材料选自国内外媒体最新报道，及地道英美口语，富有时代感，语言自然、流畅，原汁原味，给学生创造一个真实的听力氛围。

艾斯英语包含了最新高考英语听力测试命题的全真模拟，时效性强，通过研读艾斯英语，学生能更好地把握高考英语听力测试的命题现状，方便备考。

艾斯英语听力材料

[00:00.00]This is What’s Trending Today...

[00:03.09]Three million years may seem like a long time.

[00:08.25]But when you consider that planet Earth is more than 4.5 billion years old, it is a pretty short period of time.

[00:19.43]And it is over that shorter time period that the whales in our oceans today got to be so large.

[00:30.08]The blue whale is the largest animal that has ever lived.

[00:34.80]They weigh more than even the biggest dinosaurs.

[00:40.35]They can grow to 30 meters long and weigh up to 130,000 kilograms.

[00:49.64]Blue whales are part of the baleen whale family.

[00:54.17]Baleen is a kind of food-filtering structure in the mouths of the whales.

[01:00.51]The whales developed this system about 30 million years ago.

[01:07.09]Other whales in the baleen family include fin whales, bowhead whales, and right whales.

[01:16.45]Today, these whales can weigh well over 70,000 kilograms.

[01:23.74]But for millions of years, they were not nearly that large, scientists say.

[01:31.07]“All of a sudden – ‘boom’ – we see them get very big, like blue whales,” scientist Nick Pyenson told the New York Times.

[01:42.26]He and other researchers recently published an article on whale size in the British research journal Proceedings of the Royal Society B.

[01:55.73]“It’s like going from whales the size of minivans to longer than two school buses,” Pyenson added.

[02:26.46]An oncoming ice age made the ocean water cold.

[02:30.96]High winds mixed the water in the ocean faster than before.

[02:36.77]Rain and snow made more nutrients run off from the land into the water.

[02:44.14]The nutrients resulted in algae.

[02:47.68]That attracted small fish and shrimp called krill.

[02:53.52]The mixture of nutrients resulted in more food for large whales to eat.

[02:59.90]Whales that were able to quickly eat a lot of food survived. And they got larger.

[03:07.11]Whales that had teeth instead of baleen, however, did not survive.

[03:13.65]The largest baleen whales then produced other large whales.

[03:19.78]Over the next three or four million years, the baleen whales grew 10 times bigger than they had been, the researchers say.

[03:30.65]It is possible that the largest whales are gone, the researchers said.

[03:49.80]And that’s What’s Trending Today.

[03:52.30]I’m Dan Friedell.

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