Polar bear litters in the Hudson Bay are getting smaller as declining sea ice means females have less time to fatten up before entering their dens.哈德逊湾的北极熊幼崽的体型越来越小，因海冰的减少意味着雌性北极熊在进窝生崽前囤积脂肪的时间更少。So, if this mother wants her only cub to survi...
Let's read A Polar Bear Grows Up Mother polar bears' usually give birth to two cubs2 in winter. At birth, the cubs weigh about1 pound3. They cannot see or hear and have a thin coat of hair. The cubs stay in the den.At three months, the polar bear cubs are ready to leave the...
Let's read A Polar Bear Grows Up Mother polar bears' usually give birth to two cubs' in winter. At birth, the cubs weigh about1 pound3. They cannot see or hear and have a thin coat of hair. The cubs stay in the den.At three months, the polar bear cubs are ready to leave the...
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Up until now, I’ve been an observer. I know people who are bi-polar, and they have described what it’s like not knowing from one day to the next what’s in store. But I haven’t been able to relate to the frustration they feel until now. ...
A door left open can lead either to snow filling up the hut to the ceiling, or 17 still, wind blowing the roof off. Unfastened shutters leave the windows an easy prey for polar bears 18 for food and the result is again snow in the hut. The ready-chopped wood is also very important...
(1)C.根据前句"Each child grows up with knowing or having a toy bear.每个孩子在成长过程中都会认识或拥有一只玩具熊。"可知说的是熊,结合选项,应说但是你对熊的生活了解多少呢?故选C。 (2)G.根据前句"They use the claws to catch fish.In the snow a polar bear (北极熊) sometimes puts its ...
manDthey lose a female in the familyWhen a female elephant dies, the othersAleave its dead body thereBcry togetherCtake a bit of the dead body away sadlyDeat the dead A male elephant oftenwhen he grows up.Alives aloneBlives together with his"wife"Chas many female friendsDhas many male...
Over time, it turned into the bear we see now. Brown Bears are the strongest. They have the largest size and they weigh up to 500 kg to 850 kg. With life conditions and food changing, the weight changes. Polar Bears are the best swimmers of all kinds of bears. They live near ...
Found in southernAfricaand parts of central and east Africa, the black mamba often grows to over 9 feet in length, and snakes that were longer than 14 feet have been described. Only theking cobrais longer when it comes to venomous snakes. ...