首页
登录
职称英语
In the month of September, in Britain, you may see large numbers of birds【C1
In the month of September, in Britain, you may see large numbers of birds【C1
游客
2023-07-19
46
管理
问题
In the month of September, in Britain, you may see large numbers of birds【C1】______ on roofs and telegraph wires. These birds are swallows. They are【C2】______. together because, very soon, they will be flying【C3】______ to much warmer lands, where they will find【C4】______the small flying insects on which they【C5】______. There are no such insects【C6】______in Britain during the winter; it is【C7】______cold for them.
The swallows settle, fly off, swoop, and【C8】______again. This they do many times, for they are making short【C9】______ flights in order to be fit for the long journey【C10】______them.
【C11】______of these migrating birds leave Britain in the autumn. They fly【C12】______for hundreds of miles【C13】______they reach the warm lands of Africa. But not all the birds get there, for many of them perish in the stormy weather they meet with【C14】______.
In the spring of the following year they【C15】______the long and tiring journey back to Britain. They return to the identical barn or tree in the【C16】______district which they had left the【C17】______autumn. How do these birds find their【C18】______there and back over such vast distances? Nobody knows exactly【C19】______, but it has something to do【C20】______ winds and air currents. [br] 【C1】
选项
A、being perched
B、perched
C、being perching
D、be perched
答案
B
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2849260.html
相关试题推荐
[originaltext]W:HowwasyourtriptoLondon?You’vebeentoBritainbefore,ha
[originaltext]W:HowwasyourtriptoLondon?You’vebeentoBritainbefore,ha
[originaltext]W:HowwasyourtriptoLondon?You’vebeentoBritainbefore,ha
[originaltext]W:HowwasyourtriptoLondon?You’vebeentoBritainbefore,ha
[originaltext]W:HowwasyourtriptoLondon?You’vebeentoBritainbefore,ha
[originaltext]W:HowwasyourtriptoLondon?You’vebeentoBritainbefore,ha
DoctorsinBritainarewarningofanobesitytimebomb,whenchildrenwhoar
[originaltext]StrikesareverycommoninBritain.Theyareextremelyharmfu
[originaltext]StrikesareverycommoninBritain.Theyareextremelyharmfu
ForanygiventaskinBritaintherearemorementhanwomenareneeded.Stro
随机试题
InternetpiracyreferstotheuseoftheInternetforillegallycopyingord
InAmericanIncomeLifeInsuranceCompany(AIL),salesrepresentativeshave
[originaltext]Asinglecigarettesoldonastreetcornermaynotcostalot:
决定库存布件量的因素有( )。A.布件周转过程中的损耗与流失数量 B.库房储
我国旅游业产生于20世纪50年代。
用于表面麻醉时,作用较强的药物是A.左布比卡因B.利多卡因C.丁卡因D.普鲁卡因
患者男,18岁。上呼吸道感染后2周,出现颜面水肿,肉眼血尿而来院就诊。体检:血压
下列关于自动喷水灭火系统洒水喷头的说法,正确的有()。A.快速响应洒水喷头指响
随着时代主题的变化,和平共处五项原则使少数西方大国垄断国际事务的强权政治逐渐失去
下列分子中,键角最大的是()。 A.NH3B.H2SC.BeCl2
最新回复
(
0
)