Like every other scientific discovery, the color-changing fur of a polar bear shocked most of world. It truly is amazing to see the lengths to which a creature adapts to increase its odds of surviving. These great white bears aren’t just ambassadors of the North, but also color-manipulat...
解析 B。解析:根据原文Their fur is not actually white but transparent. It appears white because of the way the light is scattered. 可知北极熊的毛实际上是透明的,A选项黑色错误;C选项说毛很薄与原文厚毛层不符;D选项由特殊材料制成文章未提及。
What color are they? Theyseem bright white. Polar bears live in the Arctic, where itis verycoldthere.Polar bears'coloring allowsthem to hide againstthelersnow. Can you imagine a brown bea trying to do that?However, Polar bears' fur is not really white. It isactully sethrough Poa bears'f...
An astrophysicist and an eye expert teamed up to solve the mystery of how and why reindeers’ eyes switch from yellow to blue in wintertime.
A. The polar bear likes white color B. The white fur is just for beauty C. It is an adaptation to its environment D. The polar bear can change its fur color at will 相关知识点: 试题来源: 解析 C。解析:北极熊的白色皮毛有助于它与冰雪融为一体,这是一种对环境的适应,而不是因为它喜欢...
Thepolarbearisabigwhitebear.We__1__itpolarbearbecauseitlivesneartheNorthPole(北极).Thereare__2__polarbearsattheSouthPole.AttheNorthPolethereisonlysnow,iceandwater.Thepolarbear__3__inthesnowandice.Youcan'tseeitinthesnow__4__itscoatisyellowwhite.Ithasawarmcoatbecausetheweatherismuch__5__...
“Sorry, love, but those men would just as soon send a polar bear to Hawai‘i as a woman,” Nora said. “You seem to forget that one of the best codebreakers around is female. And the only reason most of our bosses know anything is because she taught them,” Isabel said, speaking...
One item I never travel without is a scarf or wrap! In the summer months, a lightweight travel wrap in a neutral color (consider blush pink or soft gray for a classic, chic look) is what I opt for. They’re incredibly versatile—they add a pop of color and texture to even the mos...
here is the Next VII. March 3, 2004 TECNICOLOR POLAR BEARS Now polar bears come in 3 great flavors: Original, Grape, & Lime. See, the random radio show broke news of a green polar bear in Singapore. This was 7 months after we talked about a purple polar bear in Argentina. What ...
When is the best time to go to the restroom? Poo-thirty. What did one piece of toilet paper say to another? “I’m feeling really wiped.” Why did Tigger stick his head in the toilet? To look for Pooh! If you’re American in the kitchen, what are you in the bathroom?