Please Listen to the following TED talk and answer the questions followed. (2分17秒-3分08秒) The speaker worked with other scientists to analyze earth climate observations. In 1981,they published an article in Science magazine concluding that
A.
observed warming of 0.4 degrees Celsius in the prior century was consistent with the greenhouse effect of increasing CO2
B.
That Earth would likely warm in the 1980's, and warming would exceed the noise level of random weather by the end of the century
C.
T he 21st century would see shifting climate zones, creation of drought-prone regions in North America and Asia, erosion of ice sheets, rising sea levels and opening of the fabled Northwest Passage
D.
All of these impacts have since either happened or are now well under way