根据第二段第一句"Experts note that the decline of Arctic sea ice is the greatest threat to the bears."可知.北极熊面-|||-临的最大的威胁是北冰洋的海冰面积在缩减。-|||-2.D 细节理解题。根据倒数第二段的第一句"Bergen noted that saving the polar bear would depend on international cooperation...
(1)F.根据文中第一段第一句Polar bears are in great danger,and human beings are very likely the cause of this danger,北极熊处于极大的危险之中,而人类很可能是造成这种危险的原因。由此可知,不是所有熊都处于危险之中,题干中,因为人类,世界上所有的熊现在都面临着巨大的危险,表述...
She will be putting with polar bears [Corrected 04/01/04]Steve Bergum The SpokesmanReview
A. sea seals in the Arctic Ocean don’t have enough body fat. B. sea ice becomes less because of the climate change. C. the new research has given a dying out timeline. D. fewer animal scientists pay attention to them. 相关知识点: ...
Polar bears depend on floating sea ice as a platform for hunting seals, which are their main food.Without enough ice, polar bears would be forced to go onto the land, where they are poorly skilled hunters, and would be unlikely to adapt to the life on the land in time.Experts say few...
Ⅲ.语法填空Do you know polar bears well? In this article, we will discuss some 1. amazing (amaze) facts about po-lar bears.Black skin and white fur. Interestingly, polar bears usually have black skin which 2. is covered(cover) with fur. When you see the bear white, it is because 3...
Scientists predict(预测) that most polar bearswill disappear by the year 2100because of global warming. There are about25,000 polar bears. They spend most of their lives on the ice which covers theArctic(北冰洋). As the world gets hotter because of man-made climate(气候)change, the Arctic...
The reporter asked, “Will polar bears die out because of climate change?” (直接引语改为间接引语)___ 24-25高二上·全国·课后作业 查看更多[1] 更新时间:2024/08/21 19:17:08 纠错 收藏 下载 加入试卷 【知识点】 whether would do 连接词whether/if...
Interestingly, polar bears usually have black skin which___(cover) with fur. When you see the bear white, it is because___(it) fur is a hollow transparent tube(中空透明管) that only___(reflect) light。 This feature gives polar bears great advantage in their environment especially when...
Polar bears in a warming climate. (Ursus maritimus) Polar bears (Ursus maritimus) live throughout the ice-covered waters of the circumpolar Arctic, particularly in near shore annual ice over the continental ... DEROCHER,STIRLING. 被引量: 472发表: 2004年 Forecasting the Range-wide Status of ...