Why Birds Wear Bright FeathersExplains the purpose of color in bird feathers.McGraw, KevinHill, GeoffreyHighlights for Children
3. Kingfishers are b birds. They have got bright feathers(鲜艳的羽毛) 相关知识点: 试题来源: 解析 【答案】beautiful【核心短语/词汇】bright 明亮的【翻译】翠鸟是漂亮的鸟。它们有鲜艳的羽毛。【解析】根据“它们有鲜艳的羽毛”,可知本句意思是“翠鸟是漂亮的鸟”,beautiful 漂亮的,故答案为beautiful. ...
Delhey said the team thinks migrants might be lighter in colour because lighter-coloured feathers absorb less light and heat, reducing the risk of overheating during migration. “Together with the changes in flight altitude between night and day already described, this could mean that thermoregu...
Boys wear fashionable clothes.___ ___,some birds have bright feathers. A. Naturally B. Unexpectedly C. Similarly D. Surprisingly 相关知识点: 试题来源: 解析 C 此题为词义辨析题。A“自然地〞;B“出乎意料地〞;C“类似地〞;D“令人惊奇地〞。反馈...
Birds hesitated to enter boxes with white feathers. But when feathers were in front of a nest, birds jumped right up and grabbed them. That suggested that birds weren’t afraid of the feathers themselves.“It was really interesting to discover that birds were using a trick to help them ...
For feathers with bright colors, birds must consume food items that contain these paints, and the carotenoids circulate through the blood and to the feather. Melanin, on the other hand, is produced by special cells in the birds' bodies. The team found that about 32% if the species studied...
As is often the case in nature, male birds often have bright feathers while the fones are relatively plain in color. (根据首字母单词拼写) 相关知识点: 试题来源: 解析 female##emale 【详解】 考查形容词。句意:正如自然界中经常发生的情况一样,雄鸟通常有明亮的羽毛,而雌鸟的颜色相对平淡。分析句子...
Boys wear fashionable clothes. , some birds have bright feathers.A.SimilarB.SimilarityC.SimilarlyD.likely
For feathers with bright colors, birds must consume food items that contain these pigments, and the carotenoids circulate through the bloodstream to the feather" 可知,鸟类摄取含有类胡萝卜素的食物来产生鲜艳的颜色。故选C。4. 考查推理判断。根据倒数第二段中的 " This study was very large in scope...
With the start of the new semester students around the country exchange their fun and fashionable clothes for boring school uniforms. "The uniform makes us look like a bunch of clones, especially when we are doing morning exercises in the playground, "said Qing, a Senior 2 from a high schoo...