• 人文知识练习附讲解 22

    21-10-19 1. When did the third wave of migration begin in Australia? A after the First World War B after the Second World War C during the Second World War D after the Vietnam War 2. In Australia, under ____the legislation to provide equal pay for men and wo...

  • 环境恶化将导致大规模移民

    21-01-25 Air pollution does not respect national boundaries and environmental degradation will lead to mass migration in the future, said a leading barrister in the wake of a landmark migration ruling, as experts warned that government action must be taken a...

  • 自然选择促使岸禽类鸟较早迁徙

    14-09-26 All bird migrations are fraught with danger -- from the risk of not finding enough food, to facing stormy weather, and most importantly -- trying not to be eaten along the way. Raptors such as peregrine falcons are the main predators of migratory bi...

  • 鸟类迁徙路径受遗传控制

    14-07-23 By tracking hybrids between songbird(鸣禽) species, investigators have found that migration routes are under genetic control and could be preventing interbreeding. The research, which is published in Ecology Letters, was conducted using geolocator...

  • 翅膀是帝王蝶成功迁徙的重要因素

    14-06-06 Each fall, millions of monarch butterflies make a spectacular journey from the eastern parts of North America to reach their overwintering grounds in Mexico. Researchers have long known that not all butterflies successfully reach their destination....

  • 环境状况可能影响鸟类迁徙

    14-05-15 Wind conditions during spring migration may be a predictor of apparent annual survival and the timing of breeding in yellow warblers, according to results published May 14, 2014, in the open access journal PLOS ONE by Anna Drake from Simon Fraser Un...

  • 人类“语言进化”与人口迁移

    14-03-14 Evolutionary analysis applied to the relationship between North American and Central Siberian languages may indicate that people moved out from the Bering Land Bridge, with some migrating back to central Asia and others into North America, according...

  • 美宇航局利用卫星监测斑马迁徙

    13-08-08 One of the world's longest migrations of zebras occurs in the African nation of Botswana, but predicting when and where zebras will move has not been possible until now. Using NASA rain and vegetation data, researchers can track when and where arid...

  • 动物保护区内修路将妨碍动物的迁徙

    10-08-26 The Wildlife Conservation Society (WCS) and the Zoological(动物学的) Society of London (ZSL) are requesting that the Government of Tanzania reconsider the proposed construction of a commercial road through the world's best known wildlife sanctuary...

  • Eel reveals its migration secrets 欧洲鳗鲡迁徙产卵之谜

    09-09-26 The European eel's migration to the Sargasso Sea to spawn is one of nature's great unsolved mysteries. 欧洲鳗鲡迁移到马尾藻海产卵是大自然未解开的最大的谜团之一。 Where do they all go? For many years, biologists have puzzled over exactly where they g...