单词:natural selection and radiation
单词:natural selection and radiation 相关文章
[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.87]2000 Passage2 [00:07.51]Being a man has always been dangerous. [00:10.94]There are about 105 males born for every 100 females, [00:17.09]but this ratio drops to near balance at the age o
VOICE ONE: I'm Steve Ember. VOICE TWO: Charles Darwin And I'm Barbara Klein with EXPLORATIONS in VOA Special English. This month is the two hundredth anniversary of the birth of one of the most influential thinkers in science history. Charles Darwin
注释: U.N. Secretary-General 联合国秘书长 interim [5intErim] adj. 临时的,间歇的,暂定的 interim government 临时政府 envoy [5envCi] n. 外交使节,特使 Lakhdar Brahimi 赫达
Topics: American Authors-Jack London; Our Gang and The Little Rascals; gruesome versus horrible versus disgusting; son of a gun; to lash out Words: adventure natural selection genes socialism to be disciplined sled series gang short film cast to impr
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Animals rely on all sorts of cues to find their next meal. Monkeys and birds are attracted to the colors of ripe fruits and berries. And snakes find thei
Task3: A Drunkards Argument Script Heres drunkards argument in favor of heavy drinking. We would learn more about human bihavior if we paid closer attention to the laws at work in the animal kingdom. Only the fittest survive is a law that is apparent
By Jim Malone Washington 25 October 2007 The lengthy and complicated process of choosing the next president of the United States begins in early January when voters attend party caucuses and cast ballots in primaries to select the presidential nomine
By Jade Heilmann Dakar 04 December 2007 Opposition leaders in Togo say they are angry that a little-known ruling party official has been named the country's new prime minister. They say the government should be more open to opposition parties, given
A:Its been a long time since I last saw you. Where have you been? B: The exams and plans I have to turn in in are driving me crazy, I dont even have time to sleep. A: Its the same for me. Im up to my neck in work, but at least finals are coming soon
U.S. health experts monitoring Japan's nuclear crisis are seeking to explain health risks from radiation(放射) exposure, while cautioning that radiation levels measured this week at the Fukushima-Daiichi power plant in northern Japan have not y
DOUG JOHNSON: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Doug Johnson. FAITH LAPIDUS: And I'm Faith Lapidus. Today, we will tell about skin cancer. (MUSIC) DOUG JOHNSON: Skin cancer is one of the most common forms of cancer. It is also
Starting in 2006, BMW China has run its Destination X-Tour for five consecutive years. The tour is a long distance driving combining challenging experience with charity work. The selection of this year's X Tour members stated last weekend. In contras
Republican presidential candidate John McCain's selection of Alaska Governor Sarah Palin as his vice presidential running mate has shaken up the U.S. presidential race in some unexpected ways. VOA national correspondent Jim Malone has more from Wash
By Jeffrey Young Washington 14 December 2007 The central U.S. state of Iowa, and several other states, have an alternative way to select presidential nominees for the Democratic and Republican parties. In this segment of How America Elects, VOA's Jef
The World Health Organization (WHO) warns against the indiscriminate(任意的无差别的) use of potassium iodide as a precaution against nuclear radiation. WHO is issuing this advisory following reports of people in Japan and elsewhere who are usi
A key Japanese adviser on radiation(放射 ) leaks at the country's disabled Fukushima nuclear power facility has quit in protest over the government's handling of the disaster. The adviser, Toshiso Kosako, a radiation safety expert at the Univer
NEW DELHI, March 16 (Xinhua) -- The Indian government has ordered food originating from(发源于) Japan to be tested for radiation in the wake of explosions at a Japanese nuclear plant following a devastating earthquake-tsunami last Friday, repo
Marcelo injury gives Mourinho selection headache RIO DE JANEIRO, Oct. 14 (Xinhua) -- Real Madrid coach Jose Mourinho has been left with a selection headache after Brazilian Marcelo joined fellow left-back Fabio Coentrao on the club's injury list on S
WASHINGTON, March 30 (Xinhua) -- A trace amount of radioactive(辐射性的) iodine(碘) has been found in a sample of milk from the west state of Washington, the U.S. Environmental Protection Agency and the Food and Drug Administration (FDA) sai
WASHINGTON, April 16 (Xinhua) -- With Monday's choice of U.S.-nominated Jim Yong Kim to head the World Bank, the global lending institution continued its longstanding -- and controversial -- tradition of keeping an American at the helm. Nominated las