A. protect themselves from danger B. fly more quickly and easily C. help the sick and wounded D. fly much higher in the sky 相关知识点: 试题来源: 解析 [答案] B [解析] 细节理解题。根据第二、三、四段可知,大雁排成V字形飞行能减小阻力,飞行更轻松、更快。反馈...
Geese will fly in a V - shape formation mainly to ___. A. look more beautiful B. sa
Why Do Geese Fly in a V Formation?
Next autumn, when you see geese(大雁) heading south for the winter, flying in a“V" formation(队形), you might consider what science has discovered as to why theyfly that way. As each bird flaps its wings, it creates an uplift for the bird immediatelyfollowing. By flying in a “V”...
Why do birds fly in V? First, it conserves their energy. Each bird flies slightly above the bird in front of them, resulting in a reduction of wind resistance. The birds take turns being in the front, falling back when they get tired. ... The second benefit to the V formation is th...
C Next autumn, when you see geese(大雁)heading south for the winter,flying in a "V"formation(队形),you might consider what science has discovered as to why they fly that way. As each bird flaps its wings,it creates an uplift for the bird immediately following. By flying in a"V"...
第一段“Have you ever heard loud honking calls and looked up to see geese flying in a V-formation?(你是否曾听到过响亮的雁鸣声,抬头看到雁群排成v字型飞行?)”作者就大雁迁徙提出问题。从第二段起,作者分别介绍了geese(鹅)、monarch butterflies(黑脉金斑蝶)、green turtles(绿海龟)等的迁徙。所以,...
CNext autumn, when you see geese(大雁) heading south for the winter, flying in a“V" formation (队形), you might consider what science has discovered as to why they flythat way. As each bird moves its wings up and down, it creates an uplift for the bird imme-diately following. By...
1阅读理解 When you see geese flying along in V formation, you might consider what science has discovered as to why they fly that way. As each bird flaps wings, it creates an uplift for the bird immediately following. By flying in V formation, the whole flock at least 71 per cent greate...
谁帮忙翻译一下?When you see geese flying along in "V" formation, you might consider what science has discovered as to why they fly that way. As each bird flaps its wings, it creates an uplift for the bird immediately following. By flying in "V" formation, the whole flock adds at leas...