细节题。由最后一段第二句 “Climate change is causing the disappearance of sea ice from which polar bears hunt seals.” 可推断北极熊灭绝的一个主要原因是气候变化导致冰川融化,而冰川融化导致北极熊找不到食物。而由最后一段倒数第二句 “but it does not protect the bears against the biggest man-mad...
32. What is the problem with polar bears nowadays? A. They hunt for food in polluted areas. B. They can hardly adapt to a new environment. C. They lose their living space to some se a animals. D. They have difficulty hunting due to the loss of se a ice. 相关知识点: 试题来源...
What is the population of polar bears? Polar Bear Populations: Polar bears, also known by their scientific name,Ursus maritimus, are the largest bears in the world. These bears are strong swimmers and have an extra thick coat to protect them in their snowy and icy marine habitats. They can...
当当中华商务进口图书旗舰店在线销售正版《海外直订Bears (a Day in the Life): What Do Polar Bears, Giant Pandas, and Grizzly Bears Get Up to All...》。最新《海外直订Bears (a Day in the Life): What Do Polar Bears, Giant Pandas, and Grizzly Bears Get Up to Al
Polar bears could soon be extinct due to global warming, says arecently released government...Kauffman, Gretel
根据第一段第二句中的 the decline of Arctic sea ice is the greatest threat to the polar bears可知,北极冰层的减 少是北极熊受到的最大威胁。 13.B细节理解题。 根据第二段最后一句可知,在 不远的未来,由于北极熊很容易受到栖息地 丧失的影响,它们可能遇到灭绝的危险。 14.A细节理解题。 根据第四段第...
根据第二段中的“The far north community lies in an area where increasingly higher temperature has sped up the movement of sea ice, the primary habitat of polar bears. As ice has gradually moved to deep water beyond the continental shelf, more bears are remaining on land to look for food....
Polar bears (北极熊) are very big white bears. They live in the Arctic Circle (北极圈) near the North Pole but they do not live at the South Pole. Polar bears live in the snow and ice. At the North Pole there is only snow ice and water. There is no land. Sometimes you're hart...
What do polar bears need to survive in their habitat? What do black bears eat in the winter? What do brown bears eat? What do Arctic wolves eat? What is the food chain of a polar bear? What do arctic hares eat? Do polar bears eat Arctic wolves?
What is the brown bear's habitat? What color is a cheetah? How are polar bears adapted to their habitat? What color is a tiger shark? What is the binomial nomenclature for polar bears? Which bears hibernate? How do polar bears stay warm?