标签:Species 相关文章
1. M: Are you ready to order now? [00:02.59]W: Yes,I'll have roast beef,French fried potatoes and green beans. [00:08.15]Q: Whom is the man talking to? [00:12.25]2. M: Well,if I had begun studying English earlier. [00:16.61]I wouldn't be having so mu
[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify
[00:07.00]1 Listen to the tape and fill in the correct information in the spaces below. [00:15.15]1.Walk along the street of any major city, [00:21.32]and you will see that the air you breathe is not very fresh. [00:27.27]Air pollution is a serious p
[00:02.90]The world around us [00:06.45]LISTENING [00:09.20]1 Listen to the tape and fill in the correct information in the spaces below. [00:17.37]1.Walk along the street of any major city, [00:23.54]and you will see that the air you breathe is not
[00:05.07]Unit 22 Environmental Protection Culture Corner [00:10.88]The World Wildlife Fund [00:13.93]The World Wildlife Fund (WWF) [00:16.91]was found by Sir Peter Scott in 1961. [00:20.98]His goal was to help protect the Earth's [00:23.39]natural e
[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify
[00:01.01]Recently, there was another threat [00:03.02]when the tanker Jessica ran aground [00:04.83]near the islands. [00:06.48]It is believed to have leaked almost [00:08.32]a million litres of oil into the sea. [00:11.75]At first, it was feared th
Jeanne Baret was passionate about science, so passionate that in the 1760s the French women disguised herself as a man. She hide her true identity to accompany her lover, Bach Philibert Commerson on the first friendship to sail around the world. At t
[00:04.78] Animals at Risk:Who Cares ? [00:07.31]动物处境危险:谁来关心? [00:09.85]An animal species becomes extinct [00:12.47]当一种动物不能在每一代 [00:15.10]when it fails to produce enough young in each generation [00:18.08]都生育出足够的后代以便
Science and technology. 科技。 Exercise and addiction. 锻炼也会上瘾。 Fun run. 奔跑的奥秘。 People, it seems, have evolved to be addicted to exercise. 人类似乎在进化过程中对锻炼上瘾了。 AS THE legions of gym bunnies a
[00:02.86]Unit 22 Environmental Protection Warm-up [00:08.03]Exercises 2 Listen to the news report. [00:11.71]Which of the statements are true [00:13.72]and which are false? [00:15.30]Write T for true and F for false. [00:19.26]Now over to Jim Wilson
I've been thinking a lot about the world recently and how it's changed over the last 20, 30, 40 years. 最近我常常思考我们的世界以及它在过去的20,30,40年里经历了何等的转变。 Twenty or 30 years ago, if a chicken caught
Science and technology 科学技术 Exercise and addiction 锻炼也会上瘾 Fun run 奔跑的奥秘 People, it seems, have evolved to be addicted to exercise 人类似乎在进化过程中对锻炼上瘾了 AS THE legions of gym bunnies and jogging
BEIJING, Sept. 14 (Xinhuanet) -- Scientists had discovered the fossils of a new species of ancient carnivorous fish, National Geographic reported Monday. The newly-found ancient fish, Laccognathus embryi, is a 1.8-meter-long predator, which was waiti
Meet Mitsuaki. He recently arrived in the United States to enter university. He wants to do well in his studies and adjust to the new culture. But Mitsuaki has a problem. It's not his roommates. It's not his school fees. It's not even his English abi
Science and technology 科学技术 Human evolution 人类的进化 Ask the family 寻根问祖 Human ancestry has just got more complicated 人类祖先之谜变得愈加复杂了 ONE of the oddest things about Homo sapiens is that he is alone. 有关
Yet there is surprisingly little agreement on how many phyla there are or ought to be. 然而,令人吃惊的是,在关于有多少门或诙有多少门的问题上,人们的看法大相径庭。 Most biologists fix the total at about thirty, b