乌鸦清洁工现身法国。A group of crows pick up small pieces of trash from the ground and throw them into a box. As payment (酬劳) for their hard work, they get some tasty food. These clever crows work four days ……

. And just last month, researchers reported that the crows in the South Pacific (太平洋) are even smarter than anyone knew. The clever crows not only usesticks(棍子) as tools to catchinsects(昆虫), but they also save ……

very special cleaners. They are crows (乌鸦)! Workers at the park have taught the crows to pick up small pieces of trash (垃圾). The crows move the trash into a small box. After helping to clean the park ……

has found that crows’ brains may sometimes be better than those of 6-year-old children.In a recent experiment, American scientist Corina Logan and her team caught six crows to test them. The crows ……

found that crows’ brains may sometimes be better than those of 6-year-old children. In a recent experiment, US scientist Corina Logan and her team caught six crows to test them. There were two tubes ……

. How clever!This picture was taken at Phoenix Park in Dublin, Ireland. Jackdaws are common in Europe and Asia. They have black feathers (羽毛) and look like small crows. Why is it so easy ……

in the test.B. The crows were more clever than the group of children aged 7 to 10.B. The crows were more... are more clever than children.B. Because crows might be more clever than kindergarteners.B. Because ……

(《乌鸦喝水》)? A thirsty crow gets itself water in a clever way. The story may be true (真的). Crows... believe (相信) the octopus (章鱼) is much more clever than we thought (认为). How smart are they? Look ……

, “How many crows (乌鸦) are there in this city?” Birbal answered quickly, “There are 50,589 crows, my lord (陛下).”“How can you be so sure?” asked Akbar. Birbal said, “Make your men count, my lord ……

about crows are wrong.B. To introduce the idea that crows are smart.C. To explain why crows can solve problems.D. To prove that crows can be better than babies at problem solving.2. What have Logan ……

积木)! They are all gifts that Gabi Mann in Seattle, US, has received from the crows (乌鸦) she feeds in her garden. The 8-year-old has been friends with the crows since she was 4. Over the years, Gabi ……

Crows (乌鸦) know to fly high.They know to fly low.They know to fly fast.They know to fly slow.They know how their babies will hatch (孵化) and grow.They know how to live in cold winter snow. ……

乌鸦长得虽丑，却非常聪明。 CROWS (乌鸦) are a very smart bird. They’re smarter than any cat and sometimes children... Kevin J. McGowan, a US bird expert, who has studied crows for 25 years. “One is that they’re black ……

HOW smart is your "clever" parrot or that crow in the back yard? Ask Louis Lefebvre, inventor...."The crows, the jays, that kind of bird, are the best; then the falcons are second, the hawks, the herons ……

, attempt to eat them for lunch.Fast-paced and action-packed, high points include a clever attack by a pack of zombie crows and a lengthy battle between Jovovich and hundreds of zombie extras.Armed ……