首页
登录
职称英语
In September, in Britain, you may see a lot of birds【C1】______on roofs and t
In September, in Britain, you may see a lot of birds【C1】______on roofs and t
游客
2025-07-22
18
管理
问题
In September, in Britain, you may see a lot 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】______small flying insects on which they【C5】______There are no such insects【C6】______in Britain during the winter, as 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] 【C13】
选项
A、until
B、before
C、when
D、as
答案
B
解析
本题考查上下文句意的理解。根据47题对本句句意解释。before意为“在…之前”。
转载请注明原文地址:https://tihaiku.com/zcyy/4171579.html
相关试题推荐
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsandt
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsandt
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsandt
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsandt
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsandt
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsandt
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsandt
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsandt
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsandt
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsandt
随机试题
Withaninitialinvestmentofonlytenthousanddollars,bothpartnershaveincr
Forwelloveracentury,onestreetinNewYorkCityhasbeenknownasthehe
ThePeakTimeforEverythingCouldyoupackmoreintoea
Theproblemhas______simplybecauseyoudidn’tfollowmyinstructions.A、raised
代谢性酸中毒部分代偿时可出现A.血浆pH和[HCO{图}]↓,PCO{图1}↑B
()反映了财务管理目标的实现程度。A.每股收益 B.股价 C.每
李某在门店接待张某时,正确的做法有( )。A.承诺帮助张某压低房屋售价 B.
甲公司指派其研究人员乙主持研究开发一项技术,由丙协助。若该技术研发成功,则有权
男,76岁。一年来日常活动时即感胸闷,3天前突发夜间阵发性呼吸困难,伴咳粉红泡沫
依据《民法典》的违约责任承担原则,发包人可以不赔偿承包人损失的情况是()。
最新回复
(
0
)