单词:monarch butterflies
单词:monarch butterflies 相关文章
Part II Listening Comprehension (30 minutes) Section A Directions: In this section,you will hear 8 short conversations and 2 long conversations.At the end of each conversation,one or more questions will be asked about what was said.Both the conversat
Part II Listening Comprehension (30 minutes) Section A Directions:In this section,you will hear 8 short conversations and 2 long conversations.At the end of each conversation,one or more questions will be asked about what was said.Both the conversati
BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. STEVE EMBER: And Im Steve Ember. This week, we will tell about North Americas monarch butterfly. We will tell about a British investigation of information stolen from c
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Steve Ember. This week, we will tell about a threat to North America's colorful monarch butterflies. We will tell about what is being called the olde
Researchers find circadian clock in Monarch's antenna plays a major role in navigation Shelley Schlender | Michoacn, Mexico 22 March 2010 Scientists believe antennas are critical to the navigation of the Monarch butterfly. Related Links Monarch Watch
Voice 1 Welcome to Spotlight. Im Joshua Leo. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 I was watching a butterfly the other
Every year, millions of monarch butterflies fly thousands of miles to alight in one specific forest in Mexico. How do they know what direction to flutter? Scientists had thought that an insect GPS system in their brains steered them in the right dire
Antennae Key to Butterfly Navigation A study in the journal Science shows that monarch butterflies' sun-related directional sensing is governed by antennae, not the brain. Cynthia Graber reports Every year, millions of monarch butterflies fly thousan
By Jerilyn Watson Broadcast: November 20, 2003 This is Steve Ember with the VOA Special English Education Report. Educational gardens called
SCIENCE IN THE NEWS - As Butterflies Head South to Mexico, Humans Fly Along By Caty Weaver, Jill Moss and George Grow Broadcast: Tuesday, October 04, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEW
Many Monarch Butterflies Not Flying South for Winter For many Americans, monarch butterflies are a sign of changing seasons. 对于许多美国人来说,帝王蝶预示着季节的变化。 In the late summer and early autumn, the butterflies fly s
Students at P.B. Smith Elementary Schools ecology club are learning about the life and migration of monarch butterflies. They learn in the classroom about the butterflys need for certain plants. They learn scientific words for the stages of a butterf
By Cynthia Kirk ENVIRONMENT REPORT - February 22, 2002: Monarch Butterfly Deaths in Mexico This is the VOA Special English ENVIRONMENT REPORT. A severe winter storm in central Mexico last month killed
Many of our medicines originate in plants. But were not the only ones who tap into nature.Theres increasing evidence that some animals seek out specific plants for their medicinal qualities. A new study shows that monarch butterflies may be among the
One of the world's most amazing migration is about to begin in earnest: 300 million monarch butterflies spread across North America are about to converge on small forests in the mounts of Mexico. This year, the butterflies have an unusual company as
主餐一道:泛听练习 以下段落是摘自新闻里的一些重要信息,并不是一个段落的听写。空内信息可在本新闻中全部找到,大家可以根据这些信息复述新闻。 一、泛听建议: 1、完整听一遍,掌握
Butterflies in America 美国的蝴蝶 To marvel at all things 所有事都值得惊奇 A splendid twinning of natural science and America 自然科学与美利坚民族的完美结合 Butterfly People: An American Encounter with the Beauty of the Wo
HARI SREENIVASAN: Every year, millions of North American monarch butterflies head south for the winter in one of the insect world's most fantastic feats. But as you've likely heard, their numbers have declined dramatically in the past two decades. No
Planting Milkweed for Monarchs? Make Sure it's Native Monarch butterflies depend on milkweed. They lay their eggs on milkweed, and their caterpillars eat only the leaves of the plant. No milkweed means no monarchs. So the best way to help declining m
There was a time in my life when beauty meant something special to me. I guess that would have been when I was about six or seven years old, just several weeks or maybe a month before the orphanage turned me into an old man. I would get up every morn