首页
登录
职称英语
In September, in Britain, you may see a lot of birds 【C1】______ on roofs and
In September, in Britain, you may see a lot of birds 【C1】______ on roofs and
游客
2025-07-19
11
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/4168254.html
相关试题推荐
GoodValueBritainTRAVELINGINSCOTLANDScotla
EatingEtiquetteWhatshouldyoudoornotdowhenyouareeatinginBritain
EatingEtiquetteWhatshouldyoudoornotdowhenyouareeatinginBritain
EatingEtiquetteWhatshouldyoudoornotdowhenyouareeatinginBritain
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsand
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsand
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsand
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsand
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsand
InSeptember,inBritain,youmayseealotofbirds【C1】______onroofsand
随机试题
Ifourworkinglivesweremore"local"towherewehadbeenbornandgrownu
Forthispart,youareallowed30minutestowriteashortessayentitledOn
Whatisthemostappropriatetitleforthispassage?[br][originaltext]Sto
Thefurnitureandaccessoriesinaprivateofficecansendapowerfulmessage
乳糜性腹腔积液的特点不包括A.外观呈乳状浑浊 B.pH值为碱性 C.苏丹Ⅲ染
白术散适用于妊娠高血压综合征的哪种证型A、脾虚湿盛 B、肾虚水泛 C、气滞湿
餐后血糖的主要储存形式是()。A.食物中糖类的消化吸收 B.肝糖原分解 C
通过结合方式传递的是A:细菌核质 B:菌体蛋白质 C:质粒 D:微粒体
既能杀虫,又能行气利水的药为A.南瓜子 B.槟榔 C.使君子 D.苦楝皮
(2015年真题)甲公司拟投资100万元购置一台新设备,年初购入时支付20%的款
最新回复
(
0
)