标签:青蛙的数量 相关文章
Stories from Egypt and Peru start things off today. Our first report is from North Africa. Scientists examining the Great Pyramid of Giza think they might have discovered two hidden rooms in the structure. The Great Pyramid is the largest of Giza's t
Wildlife Experts Worry About Lack of Newborn Right Whales Wildlife researchers in Georgia and Florida are concerned about the population of endangered whales. The winter birthing season just ended, but no newborn sightings have been reported. There a
Study: Undocumented Immigrants in US Reached Ten-Year Low On Tuesday, the Pew Research Center reported that the number of immigrants staying in the United States without permission fell to a ten-year low in 2016. Researchers used government data to s
Study: Cheetah Population Dwindling 研究发现猎豹数量正在减少 In 1900, cheetahs numbered around 100,000. Today, there are just 10,000 in the wild. A new study says being fast is not enough to survive. Everybodys knows cheetahs are fast. So
Volunteers equipped with nothing more than digital cameras are taking part in an unusual bee hunt. 一些只带着数码相机的义工正在参与一项不寻常的环境研究。 It's part of an environmental study that has amateur photographers do
Experts Meet to Understand Decrease in Humpback Whales Off Hawaii Every winter, thousands of humpback whales migrate from Alaska to the warmer waters near the Hawaiian Islands. There, they have sex and give birth before making their return trip north
1. gamut /ˈgmət/ n. 整个范围;全部 --entire range of anything from one extreme to another After the test I thought at first I had done very well, then quite well, and finally, poorly. I ran the gamut from confidence to despair. 考试后起初
Study Suggests Tick-Caused Meat Allergies Rising A new study has found that cases of meat allergies caused by an insect bite appear to be increasing in the United States. The study reported that a large number of cases in which people had strong alle
危言耸听者总爱吓唬人说:机器人会抢人们的饭碗。其实,它们能成为我们必不可少的好帮手,帮我们从机械而无聊的工作中解脱出来,去做更有意思的事情。罗德尼布鲁克斯指出,随着适龄
Dinosaurs Already Decreasing Before Asteroid Hit 恐龙数量在小行星撞击地球前就已减少分享到: Dinosaursthose big prehistoric creatures may have already been decreasing in population long before an asteroid crashed into the Earth, and
AS IT IS 2016-04-10 Amnesty International Reports Sharp Jump in Executions 大赦国际称2015年全世界处决人犯数量破纪录 More people were put to death last year than in any year since 1989, according to Amnesty International. The rights
UNHCR Report: Record Number of People Forced to Flee Homes 联合国难民署报告称难民数量已创纪录 WASHINGTON The United Nations refugee agency says a record number of people worldwide have been displaced by war, violence and persecution
芝加哥移民工人数量减少 CHICAGO For several years, human resources director Pete Tapaskar says its been a challenge to fill all the jobs at his suburban Chicago-based technology company. 几年来,人力资源总监皮特塔帕斯卡说,给
全世界难民数量创新纪录 WASHINGTON The United Nations refugee agency says a record number of people worldwide have been displaced by war, violence and persecution and the number of people forced to flee their homes is rapidly growing. In a
Topic1 Labor Camp in New DisguiseOver the weekend, a 70-year-old woman who has been detained at a so-called reprimand center in Henan Province is released following a public outcry. The local authorities now are investigating such centers in the prov
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
A Boy, A Dog, A Frog and A Friend by Mercer and Marianna Mayer 1 One day a boy went fishing with his dog and his frog.He sat by the side of a pond and patiently waited for a fish to bite. 2 All of a sudden he felt a bite! 3 It had to be a big fish be
62 人类狩猎活动致使动物种类及数量税减 DATE=7-5-01 TITLE=SCIENCE REPORT - Ancient Human Hunters BYLINE=George Grow (Start at 1'00
Populations of frogs, salamanders and other amphibians are declining around the worldeven in protected areas, like U.S. national parks. Ecologists needed a simple method to track the animals numbers. Now, researchers have found an effective way to ke
Matt: Hey, Rachel, so do you read the newspaper these days? Rachel: Actually, no. I used to get a newspaper delivered and I didn't read it at all, so I cancelled it cause I was worried about wasting trees, and wasting paper and therefore trees. Matt: