When birds make noise, it's not always with their throats. In hummingbirds (蜂雀), for example, special feathers flutter and vibrate to produce tones and whistles, which impress potential mates and scare off competitors. Now researchers have found that pigeons use wing noise to warn the flo...
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2 when birds make noise阅读理解 3 外研版六年级英语下册Module1--5达标检测卷附答案1 4 泰戈尔《飞鸟集》中英对照 答案解析 A。解析:鸟唱歌时声音是美丽且悦耳的。选项 B 丑陋刺耳不符合鸟唱歌的特点。选项 C 安静无形不是声音特点。选项 D 响亮吵闹也不合适。 免费查看答案及解析 本题试卷 六年级英语故事...
(2) There will be a storm if birds___. A . make more noise than usual B . fly in different directions C . come down from tall trees D . share a piece of bread (3) How can birds sense the coming of a storm? A . By feeling a drop in air temperature. B . By noticing...
reduces the chances of eggs being attacked. Female cuckoos have been known to take host birds' attention away after laying their eggs by producing a noise similar to Eurasian sparrow hawks, scaring birds away from returning to the nest and allowing time for the cuckoo to make her escape ...
2. There will be a storm if birds ___. A. make more noise than usual B. fly in different directions C. come down from tall trees D. share a piece of bread 3. How can birds sense the coming of a storm? A. By feeling a drop in air temperature. B. By noticing the change of...
阅读理解. If you go into the forest with friends,stay with them. If you get lost,this is what you should do.Sit down and stay where you are.Don't try to find your friends,let them find you.You can help them to find you by staying in one place.There is another way to help your...
三、根据汉语意思完成下列句子,每空一词。1.听到很大的响声,鸟儿们朝四面八方飞走了。Birds flew noise.2.他们一到,就开始帮着我们打扫卫生。when they heard the loud the cleaning.they arrived, they began to help us do3.他在非洲旅行时,有许多有趣的经历。He had many4.周五晚上超市里挤满了人。while...
(A)根据句意和汉语注释.写出单词的正确形式:[小题1]The birds flew in all when they heard a big noise.[小题2]Tom hasn’t the importance of learning English yet.[小题3]Tom is good at all the subjects, his English.[小题4]We learn many subjects
Female cuckoos have been known to take host birds’ attention away after laying their eggs by producing a noise similar to Eurasian sparrowhawks, scaring birds away from returning to the nest and allowing time for the cuckoo to make her escape unnoticed.1. What do mother cuckoos usually do ...