首页
登录
职称英语
Why don’t birds (71) lost on their long flights from one place to another?
Why don’t birds (71) lost on their long flights from one place to another?
游客
2024-07-04
10
管理
问题
Why don’t birds (71) lost on their long flights from one place to another? Scientists have puzzled over this (72) for many years. Now they are beginning to fill (73) the blanks.
Not long ago, experiments (74) that birds rely on the sun to guide them (75) daylight, hours. But what about birds (76) fly by night? Tests with artificial stars have proved that (77) night - flying birds are able to follow the stars in their long - distance (78) A dove had spent its lifetime in a cage and had never flown under a (79) sky. Yet it showed a(n) (80) ability to use the stars for guidance. The bird’s cage was placed under a (n) (81) star - filled sky. The bird tried to fly in the position as that (82) by his outdoor cousins. Any (83) in the position of the make believe stars caused a change (84) the direction of his flight.
(85) think that doves, when flying in daylight, use the sun for (86) . But the stars are (87) their principal means of navigation. What do they do when the stars are (88) by clouds? Apparently, they find their way by such landmarks as (89) ranges, coast lines, and river courses. But when it’s too dark to see (90) , the doves circle helplessly, unable to get their bearing(方位). [br]
选项
A、tour
B、travel
C、journey
D、flight
答案
D
解析
在这组词中,用flight表示鸟类飞行最为恰当,且和前面出现的fly相呼应。
转载请注明原文地址:https://tihaiku.com/zcyy/3662828.html
相关试题推荐
Whydon’tbirds(71)lostontheirlongflightsfromoneplacetoanother?
Whydon’tbirds(71)lostontheirlongflightsfromoneplacetoanother?
Whydon’tbirds(71)lostontheirlongflightsfromoneplacetoanother?
Whydon’tbirds(71)lostontheirlongflightsfromoneplacetoanother?
Whydon’tbirds(71)lostontheirlongflightsfromoneplacetoanother?
Whydon’tbirds(71)lostontheirlongflightsfromoneplacetoanother?
Whydon’tbirds(71)lostontheirlongflightsfromoneplacetoanother?
Whydon’tbirds(71)lostontheirlongflightsfromoneplacetoanother?
Whydon’tbirds(71)lostontheirlongflightsfromoneplacetoanother?
Allofuscommunicatewithoneanotherverbally(口头的)aswellasnon-verball
随机试题
SHANGHAI:【T1】Eligible(符合条件的)couplesinthecityareforthefirsttimebein
InthispartoftheReadingsection,youwillread2passages.Youwillhave
Bydegreestheshutterswereopened:thewindow-blindsweredrawnup,andpe
关于培根的“知识就是力量”,理解正确的有( )。A.知识具有实用性 B.知识
关于细集料的表观密度与表观相对密度试验,请回答下列问题:(5)砂的表观密度试验结
制备ABC复合物时,HRP-B的浓度不能高于A.6μg/mlB.4μg/mlC.
2020年,F省全年粮食产量502.32万吨,比上年增加8.42万吨,增长1.7
干粉储存容器的现场检查主要包括()。A.电磁阀检查 B.外观质量检查 C.
从所给的四个选项中,选择最合适的一个,使之符合左边四个图形的规律性:
按照《建设工程施工合同示范文本》(GF-2013-0201)的规定,下列属于发包
最新回复
(
0
)