单词:ST_mammals_marine-mammals
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Conservation Week starts tomorrow. During that week, DOC the Department of Conservation would like New Zealanders to celebrate our special places and our native wildlife. What are our special places? Our National Parks are some of our special places.
It really is rocket scienceresearchers are using huge x-ray scanners from NASA to understand how sonar might be affecting the hearing of large ocean mammals. These scanners are usually used to inspect the space shuttles solid fuel rockets. Navy sonar
Some people eat to avoid being bored. Others to avoid doing something theyd rather not, like preparing a podcast. Now a report says we might eat to avoid fungi. Because warm-bloodedness, a condition that requires a lot of calories, may have evolved t
UNIT 34 NATURE (I) ANIMAL WORLD Lesson 67 Part I UNIT 34 NATURE (I) ANIMAL WORLD Lesson 67 Part I Warming-up Exercises Spot Dictation: Animals Unlike most plants, animals are living ____ that have the
Marine Animals Have Interesting Sleeping Habits 海洋生物有趣的睡觉习惯 Many people know that marine mammals, like whales, porpoises and dolphins, breathe air, like we do. But, many people dont know that marine mammals have developed some i
It was eight o'clock in the morning. We had four hours to ourselves before the sun could be productively observed. 时间是早晨八点。太阳可以供我们观察利用的时间只剩下四小时了。 I guided our steps toward a huge bay that ma
Animals at Risk from Increased Arctic Shipping The polar bear may be the animal most often identified with climate change, but it is far from the only creature at risk from rising temperatures. The northernmost part of Earth is warming two to three t
谈到视角,很多同学可能会问,当我谈论视角的时候,我在说什么。看以下GRE考试中的一句话: The large number of physiological and behavioral similarities between birds and mammals, which have separate evolutionary h
This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Climate change affects seasonal eventsspring flowers open earlier, songbirds breed sooner. But what about mammals? A new study documents the effect on a
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we will tell about mammal populations in danger of disappearing. We will also tell about one kind of animal that disappeared
Could Rising Temperatures Mean Smaller Mammals? Scientists say in the ancient past, higher temperatures meant smaller mammals. Theyre studying how a brief, but dramatic climate change event affected body size. Its called the Paleocene-Eocene Thermal
[00:04.83]Lesson 13 [00:08.64]1.Learn to say [00:12.79]I'm going to talk about six types of animals. [00:16.34]我要说一说六种动物. [00:17.67]The first type-mammals.第一种--哺乳动物. [00:21.11]People are mammals.人类就是哺乳动物
在托福考试中,得阅读者得天下,为此上海新东方小编从词汇,题材,题型,解题方法等几大模块入手,为您精心整理了托福阅读技巧攻略的完整版,以方便广大考生备考。 托福阅读的词汇问
托福阅读的词汇问题似乎是大家一向比较有争议的一件事情,有的人认为托福阅读只要四级甚至高中的词汇量就可以搞定,但是有的人觉得单词背得多多益善,还要尽量多背一些专业词汇。其
托福阅读的词汇问题似乎是大家一向比较有争议的一件事情,有的人认为托福阅读只要四级甚至高中的词汇量就可以搞定,但是有的人觉得单词背得多多益善,还要尽量多背一些专业词汇。其
NASA Scanner Offers Clues To Whale Hearing Researchers at UC San Diego and San Diego State University have imaged whale skulls in an attempt to determine the effects of sonar on whale hearing. Cynthia Graber reports It really is rocket scienceresearc
57 这种动物是人类的祖先吗? DATE=6-13-01 TITLE=SCIENCE REPORT - Ancestor of Humans BYLINE=Jill Moss (Start at 59
? 澄清托福阅读单词问题的两个误区? 托福阅读的词汇问题似乎是大家一向比较有争议的一件事情,有的人认为托福阅读只要四级甚至高中的词汇量就可以搞定,但是有的人觉得单词背得多多益
睡眠革命 Evolution of sleep Sleep is very ancient. In the electroencephalographicsense we share it with all the primates and almost allthe other mammals and birds: it may extend back asfar as the reptiles. There is some evidence that the two type
Marine Mammals Since there is such an abundance of food in the sea,it is understandable that some of the efficient, highly adaptable, warm-blooded mammals that evolved on land should have returned to the sea.Those that did have flourished. Within abo