标签：species 相关文章
Passage 48 Population Growth It is well-known that there has been a drastic increase in world population. But it is probably less well-known that the extinction rate of wildlife species is experiencing a parallel trend. Take the United States for in
英语专业四级听写
1. A) Riding a horse. B) Shooting a movie. C) Playing a game. D) Taking a photo. 2. A) She'11 type the letter for the man. B) She'll teach the man to operate the computer. C) She doesn't think his sister is a good typist. D) She thinks the man should
英语六级历年真题小体积版
Passage Two 14. A) It limited their supply of food. B) It made their eggshells too fragile. C) It destroyed many of their nests. D) It killed many baby bald eagles. 15. A) They found ways to speed up
【CET 12-24备战】六级听力
Whales are absolutely beautiful creatures. It's amazing to think how big they are. But I guess they're a tiny dot when they're in the ocean. I think whales are among the most interesting animals on Earth. Are they animals or fish? I know they are mam
听一分钟英文-W
February the 12th is Darwin Day. It is to celebrate the anniversary of the birth of Charles Darwin on February 12, 1809 and his life as a scientist. This day also aims to encourage children to get into science. Darwin was one of the worlds greatest s
英语课程学习计划和讲义
4. Instead of casting a wistful glance backward at all the species we've left in the dust I.Q.-wise, it implicitly asks what the real costs of our own intelligencies might be. 【分析】复合句。介词短语 Instead of...I.Q.-wise作句子状语，
考研英语长难句讲解
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新东方英语·中学版（2007年7-8月）
Irrawaddy Dolphin Numbers Increase on Mekong River The number of Irrawaddy dolphins in one part of the Mekong River has increased for the first time tin 20 years. The dolphins, however, still face serious threats to their survival. They are considere
2018年VOA慢速英语(四)月
Researchers Find Bright Side to Some Invasive Species Non-native species present threats to natural environments across the world by pushing out native organisms. Their presence can seriously damage ecosystems that provide clean water, food and other
2018年VOA慢速英语(十)月
Once again it was trilobites that provided the clue, 又是三叶虫提供了线索， in particular that seemingly mystifying appearance of different types of trilobite in widely scattered locations around the globe, all at more or less the same tim
万物简史
A jumping cockcroach, a glowing mushroom and a leech that has teeth. These are the three of scientists picks for the big top ten new species decribed in 2010. The list is dissembled by the international institute for species exploration at Arizona St
Scientific American(五)月
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. A jumping cockroach. A glowing mushroom. And a leech that has teeth. These are three of scientists' picks for the Top Ten New Species described in 2010.
Scientific American(五)月
If you think about it, kissing is strange. I mean, here we are in the twenty-first century and we still like kissing. I think were the only species on Earth that does this. Of course, there are different kinds of kissing. Kissing your parents or frie
纯正英语一分钟
【原文】 This week on Why? Tell Me Why! We are answering a viewer question as to why lightning bugs light up. Lightning bugs light up basically to find a mate. Its a way that lightning bugs communicate witheach other, to call each other together,
英语听力广播—Listening
Kate: Welcome to this week's 6 Minute English. I'm joined today by Rebecca. Hi Rebecca. Now a bit of a scary question to start the programme with today how do you feel about .spiders.? Rebecca: Eurrgh.. Kate: I can't say I'm delighted to find them lu
一起听英语
Extinction—extinguisher To keep pace with Catch up with Competitor—competition—competitive—competitiveness Likely=possible ---likelihood=possibility vegetable—vegetarian ignorance—look ove
自考英语（一）78讲
South Africa -- The Birding Mecca 1 South Africa’s diverse habitat and vegetation provides a perfect breeding ground for a lively and varied selection of birdlife. It ranks as one of the top birding
英语沙龙2004全年合辑上
Conservation Group Sees Better Future for Two Kiwi Birds News about endangered species often worries people. But on December 5, the International Union for the Conservation of Nature, or IUCN, had some good news. In publishing its yearly Red List of
2017年VOA慢速英语(十二)月
By David McAlary Scientists have discovered fossils of an ancient, tiny species of human in an isolated part of Indonesia. They are bones from what they say is a smaller version of the now extinct imm
VOA2004（下）--健康科技
Three New Fish Species Found in Pacific Ocean Scientists say they have discovered three new species of fish in one of the deepest places on Earth. All three species were found in the Pacific Ocean, off the coast of Chile and Peru. They were deep in t
2018年VOA慢速英语(九)月