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
15
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] 【C9】
选项
A、practical
B、practicing
C、practice
D、practised
答案
B
解析
本题考查动词的辨析。practical意为“实践的,实际的”;practicing是现在分词;practice是名词;practised是过去分词。句意为:它们这样飞来飞去好多次,是因为它们在做较短的飞行训练以便适应它们面临的长途旅行。
转载请注明原文地址:https://tihaiku.com/zcyy/4171575.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
ChooseSIXanswersfromtheboxandwritethecorrectletter,A-H,nexttoQuest
SuggestionsforEffectiveResearch-basedAssignmentsI.Thefunc
使系统从恢复状态转变到安全状态的控制手段是()A.预防控制 B.矫正控
小刘最近购买了一辆走私车,欲向保险公司投保机动车辆保险,但保险公司拒保。保险公司
下列体征中能提示炎症累及壁层腹膜的是A.腹部压痛 B.移动性浊音阳性 C.腹
建设单位应当将大型的人员密集场所和其他特殊建筑工程的消防设计文件报送公安机关消防
发达资本主义国家与发展中国家经济关系的实质是( ) A.平等互利合作关系
零担货物运输中转作业的方式主要有()。A:落地法 B:坐车法 C:换车法
工程设计阶段,监理单位协助建设单位组织施工图设计评审时,评审的重点是()。A.使
相同的时间内,一束波长为λ的单色光在空气中和在水中()。A.传播的路程相
最新回复
(
0
)