worry that this hybrid mix might lead to the end of the polar bear.v There are many more grizzly bears... and polar bear hybrid (杂交). Experts think these kinds of hybrids are becoming more and more common ……

bear and polar bear hybrid. B. There are more and more of them.C. They are caused by global warming.D. Their fathers are grizzly bears.2. According to the article, _____.A. polar bears are pushed northB ……

Can you help the polar bear find theseal(海豹)? ……

, shot)paw n. 爪子continue v. 继续disappear v. 消失难句解析Bear experts worry that this hybrid mix might lead to the end of the polar bear. 句意：熊类研究专家担心这种“混血熊”可能会导致北极熊的灭绝。Key: C ……

bear: I come from the Arctic (北极), the coldest place in the world!Lady: Wow.Polar bear: Am I cool?Lady: Yes, of course! But why don’t you wear some clothes?Polar bear: Can you come closer?Lady: OK.Polar ……

和北极熊一起洗澡?! SWIMMING with a polar bear (北极熊)! It sounds unbelievable (难以置信的). But it can come true in Ontario, Canada. In a village there''s a small pool (水池) beside a polar bear pool ……

Teacher: What’s the most dangerous animal in the desert? Joe: The polar bear! Teacher: But polar bears live at the north pole. Joe: Right, so if he woke up in the desert he’d be really mad! ……

as possible. This grizzly (灰色的) bear from Alaska couldn’t agree any more. He stands by the road... photographerThis polar bear from Norway might be saying “Nice shot (拍得好)!”. It seems that he is on his way ……

polar bear is sitting on ice. Because the weather is getting warmer, the ice has melted. The polar bear is now having a hard life. ……

水族馆里的北极熊。What do you go to an aquarium (水族馆) to see? How about a polar bear? Koda is a polar bear living in the aquarium at a zoo in the US. He weighs 408kg. But he is a good swimmer. ……

on the Nat Geo Wild channel. Sometimes, Anderson’s best friend Brutus – a grizzly bear he rescued... will see a lot of child-like things coming out of this 800-pound grizzly bear. Then, in the game ……

北极熊吹泡泡A POLAR bear is blowing (吹) a bubble. And he is doing it underwater! A doctor took the photo of the bear at a German zoo. Could you blow a bubble this big? ……

, the house is at the North Pole, and the bear, therefore, is a polar bear....THERE is a house with four walls. Each wall faces south. There is a window in each wall. A bear ……

Man: Hi, honey, do you feel warm in my arms?Polar bear: Actually I feel so hot, I'm beginning to think of going back to my home in the Arctic Circle.(from Ye Qiu)Man: What's wrong with you?Polar bear ……

【 International Polar Bear Day is Feb 27. Climate change harms polar bears because they rely...) at a rate of 13%【 International Polar Bear Day is Feb 27. Climate change harms polar bears because ……