91. What doesn't cut down the number of polar bears___?A. The Arctic ice melting.B. Hunting.C. The sea ice loss.D. Climate change. 相关知识点: 试题来源: 解析 最终答案: 根据以上分析,选项A、C、D都会导致北极熊数量减少,只有选项B不会导致北极熊数量减少。 所以,本题的正确答案是:B。...
结果1 题目 10. The number of polar(极地的) bears is becoming ___ C only because the weather is getting warmer and warmer. A. fewer and fewer B. less and less C. smaller and smaller D. worse and worse 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
Polar bears have experienced a rapid loss of sea-ice habitat in the Barents Sea. Monitoring this subpopulation focuses on the effects on polar bear demography. In August 2015, we conducted a survey in the Norwegian Arctic to estimate polar bear numbers and reveal population substructure. DNA ...
题型:单项选择-四个选项难度:0.65引用次数:117题号:24149829 Sadly, the number of polar (极地) bears is becoming ___ only because the weather is getting warmer and warmer. A.larger and largerB.less and lessC.smaller and smallerD.more and more 23-24八...
000 polar bears in the world. The ones that are left are trying to survive today. The number of polar bears is becoming smaller and smaller because of the loss of sea ice— polar bears mostly inhabit (居住于) the sea ice, not the land ice. This is happening because of global warming...
结果1 题目The number of polar bears(北极熊) is becoming because the weather is getting warmer and warmer. A. fewer and fewer B. less and less C. smaller and smaller D. worse and worse 相关知识点: 试题来源: 解析 reaching 反馈 收藏 ...
The number of polar bears is declining(下降).___ The tree bore no fruits last year.___ He can’t bear waiting so long for the bus.___ Black is a born leader.___ ___that take some small gifts when you go to your friend’s home for the first time.___相关...
results, and an increasing number of less polar bears; 翻译结果3复制译文编辑译文朗读译文返回顶部 Result, the number of polar bears less and less 翻译结果4复制译文编辑译文朗读译文返回顶部 Consequently, an increasing number of polar bears rarely ...
apeople can find bears in many places in the world 人们在许多地方能发现熊在世界上[translate] aIn contrast, meiofaunas of Arctic and polar areas have received greater attention (e.g.,Vanreusel et al. 2000 ). 相反,北极和极性区域meiofaunas等受到了更加巨大的 (注意即, Vanreusel。 2000年 )...
Polar Bear Population Status in Southern Hudson Bay, Canada The Southern Hudson Bay (SH) population of polar bears (Ursus maritimus) resides in a seasonal sea ice environment and is the most southerly population in the species' range. Therefore, SH polar bears may be among the first to show...