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
40
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、wonderful
B、great
C、incomparable
D、inborn
答案
D
解析
紧扣上下文,这里表示“生就的能力、天生的能力”之意。
转载请注明原文地址:http://tihaiku.com/zcyy/3662830.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
Whatproblemsdothespeakersidentifyforthisproject?ChooseSEVENanswersfr
[originaltext]W:IoughttocallJoan,andtellheraboutthereceptionthisev
Itwassurprisingthatthehotellookedrathershabbyoutsidewasluxuriouslyan
Thefutureofthecompanyisatstake;manyofitstalentedemployeeshaveresig
下列自动排气阀按进出口连接方式分类的是()。A.分体式 B.法兰式 C.卡
KennedyⅣ类的活动义齿模型设计时,将模型向后倾斜的主要原因是A.使义齿人工
下列说法有误的一项是A、《论语》是春秋战国时期儒家学派的创始人孔子所著的一本书
关于2015年S省“四上”企业的资产及负债状况,能够从上述材料中推出的是:A
由出纳人员工作差错导致的现金短缺,确定由出纳人员赔偿的部分应借记()。A.其他应
1368年正月,朱元璋在()称帝,国号大明,建元洪武,是为明太祖A.应天府 B
最新回复
(
0
)