单词：fish population size
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Lesson 9 Is It a Good Idea to Control Population Growth in the World? Text What Overpopulation Feels Like We moved slowly through the city in a taxi and entered a crowded slum district. The temperatur
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Amazon Trends 亚马逊河流域 More than 1/3 of Earth's species -- and about 30% of the total living plants and animals on Earth -- live in the Amazon. Discover a noted scientist's perspective on the perils and promise of this region -- today on Earth a
(科普英语)Earth and Sky
Australia is a unique country. It's the world's largest island, but it's also the world's smallest continent. In fact, Australia is the only country that is also a continent. It's about the size of th
赖世雄初级美国英语
Section C Compound Dictation It's difficult to imagine the sea ever running out of fish. It's so vast, so deep, so (36) ______ . Unfortunately, it's not bottomless. Over-fishing, (37) ______ with destructive fishing practices, is killing off the fish
英语四级听力-短对话
美国帮助拯救西非濒危大猩猩 The U.S. is helping to save an elusive and endangered species of gorilla in West Africa. The Fish and Wildlife Service and the Wildlife Conservation Society have developed a five-year plan to ensure the surviva
VOA双语新闻 2012年3月
ACT I I really like this one Susan. Do you? Susan，我真的很喜欢这一件，你呢？ Turn around, Michelle. Let me see the back of it. 转过去一下 Michelle。让我看看它的背面。 I l
走遍美国 Family Album U.S.A
[00:01.84]3 Listen and complete. [00:06.70]What have the children done for their project [00:10.30]on population? [00:11.96]Listen and complete their sentences. [00:16.14] [01:04.64]4 Listen and complete. [01:08.78]Listen and fill in the missing info
外研社新标准初中英语九年级
17. That means a higher proportion of what is in the sea is being caught, so the real difference between present and past is likely to be worse than the one recorded by changes in catch size. 【分析】并列多重复合句。由 so 连接的两个并
考研英语长难句讲解
(woman) To us, the environment in which fish dwell often seems cold, dark, and mysterious. But there are advantages to living in water, and they have played an important role in making fish what they are. One is that water isn't subject to sudden te
托福听力短文
DEVELOPMENT REPORT - World Population by 2050 By Jill Moss Broadcast: Monday, August 30, 2004 This is Gwen Outen with the VOA Special English Development Report. New research shows that Earth will hav
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By Steve Herman New Delhi 05 December 2007 Even as India emerges as one of the world's major economies, it is still struggling to achieve widespread literacy among its people, and officials say there is a massive shortage of skilled labor. VOA's Stev
VOA常速英语2007年（十二月）
A man walked into a dress shop and told the clerk he wanted to buy a surprise formal evening gown (礼服, 睡袍)for his wife. What size? asked the clerk. The man shrugged blankly. Trying to help, the clerk inquired, Well then, what are your wife's
趣味英语
今天我们要学的词是size up。 To size up, 对某个人或某件事进行估计、评定。She is sizing up her romantic rival, 她仔细揣摩情敌的实力。The candidate sized up the situation and decided to withdraw, 这位候选人对选战
英语单词荟萃
Rene Montagne: And here on the West Coast, the sea lion population has quadrupled since hunting stopped some 30 years ago. But fishermen are lobbying for a return of those days. Tom Banse explains. Tom Banse: A clump of California sea lions is soaki
2006年NPR美国国家公共电台
Capital 首都 The capital of a country is the city where its government meets. 一个国家的首都就是这个国家政府的所在地。 The capital of the U,S,A. is not New York City, but Washington, D.C. 美国的首都不是纽约，而是华盛
与美国小学生一起学英文第5册
The US announced on Wednesday that it will support a ban on the international trade of Atlantic bluefin tuna. The announcement comes prior to this month's meeting in Qatar of the Convention on International Trade in Endangered Species of Wildlife Fau
VOA标准英语2010年(三月)
Saving the Cross River Gorilla The U.S. is helping to save an elusive and endangered species of gorilla in West Africa. The Fish and Wildlife Service and the Wildlife Conservation Society have developed a five-year plan to ensure the survival of the
VOA标准英语2012年(三月)
The worlds population is getting bigger and bigger. Theres a population explosion in some countries. Im not sure if this is good or bad. The Earth can only support a limited number of people. One day, the worlds population will be too big to feed eve
纯正英语一分钟
But that pales into insignificance, when compared to the daily vertical migration of these mircoscopic animals called zooplankton. At sunset, all of these tiny creatures swin upwards, and under cover of darkness, they grease on floating algae close t
自然百科2014年