Oriole’s NestPicky, PickyScientists have no idea exactly why birds choose certain objects

Oriole’s Nest
Picky, Picky
Scientists have no idea exactly why birds choose certain objects to build their nests. But scientists know that the main reason birds build nests is to keep their babies safe, warm and healthy.
Baby birds grow faster and are healthier when they are warm. They also learn to fly and leave the nests sooner than birds without warm homes.
What A Yarn (纱)
Yarn is big on an oriole’s shopping list during nest building. Scientists are still trying to work out why so many birds choose white yarn over other colors for nest building.
Scientists think that the white objects remind birds of cotton fluff (绒毛) they find in the wild.
Do It Naturally
Even though birds can help us recycle some of our junk by using it to build nests, they also need to use lots of natural things. Long grass, dried sticks, spider’s silk and mud are some of the natural ingredients that are good for nests, too.
You can make a collection box of things to leave for birds so they can help themselves. Hang a small plastic box with holes on a tree branch. Fill the box freely with nest building goodies. Hang the box on a tree and watch birds climb on board to pick through the junk to find their treasures.
Warning: Don’t let the birds turn into a tasty treat. Keep your bird station away from places where cats hang out.
For The Birds!
Stop! Don’t throw all that garbage out! Give some to the birds. Look and see how your old junk can help beautify and warm a bird’s new home.
【小题1】The baby birds with warm homes are able to .A．choose right objectsB．leave the nests sooner C．build good nestsD．learn to fly higher【小题2】 What can people make for birds to build nests?A．Holes on the tree.B．Food out of the rubbish.C．A warning board.D．A collection box of things.【小题3】What can we learn from the passage?A．Birds build nests to store things. B．Birds regard white objects as cotton.C．Birds and humans can help each other.D．Birds and cats fight against each other.B

(答案→)B 解析：【小题1】根据第二段第二行“...leave the nests sooner”可知，正确答案为B。【小题1】根据Do It Naturally标题下面的第四行“You can make a collection box of things...”可知，人们可以把筑巢需要的东西放到一个盒子里，供小鸟选用。故选D。【小题1】根据第一段最后一句“...is to keep their babies safe, warm and healthy”可知，鸟儿筑巢是为了雏鸟，A错；根据“the white objects remind birds of cotton fluff”可知，B项“鸟儿把白色的东西当作棉花”是错的；文中只提到“要把鸟箱远离猫出没的地方”，D项错。根据Do It Naturally标题下的文意可知，C项“鸟类和人类可以相互帮助”是正确的。故选C。

这个问题我还想问问老师呢