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 ……

that human food can make up as much as 30 percent of the bears’ diets.TEENS...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 ……

Polar bears are left-handed. ……

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 ……

, they’ll take students’ orders, check the number of bears and contact (联系) the producers to make them...“校服熊”热潮席卷校园。IT’S always a love-hate thing with school uniforms. But when they’re on teddy bears ……

in Antarctica. Algae (海藻) sometimes grow inside their hollow hairs. The algae make the bears look green....北极熊真的是白色吗？What color are polar bears? You might think they are white. But actually ……

…Teddy Bear Museum玩具熊博物馆Old bears and new bears, big bears and small bears... You can see toy bears... a room, too! There is a big garden in the museum. The teddy bears are swimming, having a picnic ……

-friendly materials.Cotton USA bears are made from and stuffed with organic cotton, and they're colored with all-natural, chemical-free dyes.These bears feature playful hands and feet and long arms, which ……

Polar bears are left-handed (左撇子). ……

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

跟泰迪熊一起感受从地面到高空的温度变化！YOU may have seen Teddy Bears go to space in films. But some British school.... The society gave the kids a special task: make an experiment to monitor (监控) temperature changes from ……

. It’s hard for people to stay warm and dry. The cold can make you tired or worse. The weather is wild, with sudden (突然的) rain and snow. It’s hard for people to stay warm and dry. The cold can make ……

) that make KFC chicken delicious. The say it's so important they need lots of guards to protect it.Green bears绿色的北极熊？！A GREEN polar bear (北极熊)? To save energy, a Japanese zoo doesn't change its pool water ……

increasingly difficult.Bears need to eat as much food as possible in the winter to make themselves fat enough...The thinning effect of warming up硕大的北极熊正日渐消瘦，因为全球变暖使它们的觅食变得举步维艰。POLAR bears are getting thinner ……

the hearts of" means ____.A. break sb's heartB. make someone loveC. fall in love withD. be warm-hearted... are there?There are between 20,000-25,000 polar bears in the Arctic.8. ______ do they eat?Seals, walrus, birds and plants.9 ……