.  P4 Watch out for bearsP4 Watch out for bears  Phrases Phrases be worried about 对……担忧be worried about 对……担忧show up 出现show up 出现ExercisesExercises3. Why are bears coming ……

and watch out (戒备) for the bears. If the bears get too close, they drive them away (驱赶他们).Did you...冰雪世界里的北极熊On Oct 29, a group of Chinese scientists met five polar bears (北极熊) in the Arctic (北极 ……

that time. People around the world love to watch the bears. There’s the “bearcams” livestream (直播). People can watch bears eat on the Internet. More attention (关注) from people may help save ……

Polar bears are left-handed. ……

野生动物吃“人类食物”或会缩短寿命。What do bears like to eat? You might think their favorite foods are fish and honey. But some bears eat leftover (剩饭) human food that they find in the trash. However, it turns out ……

to look out for the polar bears. They are also using noise-making machines (机器) to keep the bears away... to go back. In the last few months, about 52 polar bears have “visited” the island in northern ……

bear and two baby bears. The two are only eight months old. It''s very cold in Canada. But the bears can''t stay at home all the time. Little bears have to learn how to hunt (捕猎). Look! They follow ……

变暖), the ice is getting smaller. There is less food for polar bears. Many bears run out of food...POLAR bears are fat (胖的) and cute in our eyes. But now they are boney (瘦骨嶙峋的). In this picture ……

the woodchuck. Groundhogs live in many parts of the US. They hibernate (冬眠) during the winter, just like bears... is halfway between winter and spring. If he comes out of his hole and it is sunny, he will see his ……

It’s exciting to see real bears in natureIt’s exciting to see real bears in nature在黄... not one, but three great bears!Grassland (草地), colorful springs, deer (鹿) and bison (野牛) ... Yellowstone ……

Polar bears are left-handed (左撇子). ……

Can you see a basket, a chick and two bears? ……

VCG  Brown bears in Alaska fish for salmon in a waterfallBrown bears in Alaska fish...!” This bear is catching a bite to eat in Alaska, US. Once a year, brown bears come to the river to eat salmon ……

.Users will even be able to find out they have new mail by the smell of coffee.Warm and greenLife in the warm and wet tropics (热带) has made two polar bears go green at the Singapore Zoo. Polar bears' hair ……

2/3TWO-THIRDS of the world’s polar bears could disappear by 2050, according to a recent US study. This is because global warming keeps melting (融化) the ice in the Arctic (北极). Polar bears hunt seals ……