C.The wildlife extinction is speeding up. D.Backbone animals are decreasing slowly. 相关知识点: 试题来源: 解析 1.C;2.B;3.D;4.C 结果一 题目 The sixth mass extinction of life on Earth is unfolding more quickly than feared, scientists have warned. More than 30percent of animals ...
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.阅读理解A Soot(煤烟灰) pollution is speeding up climate-driven melting in Antarctica, a new study suggests,raising questions about how to protect the delicate continent from the increasing number of humans who want to visit.“It really makes us question whether our presence is really needed,"...
Earth's speeding up because its hot liquid core — "a large ball of molten fluid" — acts in unpredictable ways, with eddies and flows that vary, Agnew said. Agnew said the core has been triggering a speedup for about 50 years, but rapid melting of ice at the poles since 1990 masked ...
(1)What does the underlined word "deforestation" mean in paragraph 1? CA.The state of forests.B.The growth of trees.C.The removal of trees.D.The disappearance of forests.(2)What are forest scientists concerned about? AA.Extreme climate is speeding up.B.The influence of storms is ...
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A. Because of the driving speed.B. Because of the license problem.C. Because of the broken tail light.2. How does the man feel A. Confident. B. Nervous. C. Excited.3. What is the woman telling the man A. She likes him. B. She forgot him. C. She remembers him....
But while ice is bright and reflects heat from the sun, water is darker and takes it in. That heat helps melt more ice, which means more water to take in more heat, speeding up warming in the Arctic.“That's why the temperatures are the highest in those areas where the sea ice has...
Soot (煤) pollution is speeding up climate-driven melting in Antarctica,a new study suggests,raising questions about how to protect the delicate continent from the increasing number of humans who want to visit."It really makes us question,is our presence really needed?" says Alia Khan,one of...
“These are the mirrors on our planet,” says Sonia Nagorski, a scientist at the University of Alaska Southeast.“When those mirrors are covered in a film of dark bits, they are less reflective. That means more heat is trapped on Earth, speeding up melting and contributing to global warming...