首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
In September, in Britain, you may see a lot of birds【C1】________on roofs and telegraph wires. These birds are swallows. They are
In September, in Britain, you may see a lot of birds【C1】________on roofs and telegraph wires. These birds are swallows. They are
admin
2023-03-13
68
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.
【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://kaotiyun.com/show/Cp0D777K
本试题收录于:
公共英语二级笔试题库公共英语(PETS)分类
0
公共英语二级笔试
公共英语(PETS)
相关试题推荐
设A是3×4阶矩阵且r(A)=1,设(1,-2,1,2)T,(1,0,5,2)T,(-1,2,0,1)T,(2,-4,3,a+1)T皆为AX=0的解.求常数a;求方程组AX=0的通解.
[*]
ZoeBuhlerwasscheduledforanultrasoundappointmentontheSeptembermorningwhenAustralianpoliceenteredherhome.Thepre
Davidfrankstartedworkingfortipswhenhewas11yearsold,delightingrestaurantdinersinNewYorkwithhismagictricks.A
Davidfrankstartedworkingfortipswhenhewas11yearsold,delightingrestaurantdinersinNewYorkwithhismagictricks.A
Theeconomiccontrolsimplementedduringthesecondworldwarmaketoday’srestrictionsonrestaurantsandfootballstadiumsloo
SowhyisGooglesuddenlysointerestedinrobots?That’sthequestioneveryone’saskingafteritemergedthismonththatthein
Whathappenedtotheshopinonemonth?
Although________happenedintheArcticregionsoundslikefairytale,ittrulyexists.
TheBody-dataCrazeA)Welcometomybiography,2013-style.Itincludesmoredatapointsthanitpossiblycouldhave20year
随机试题
Itisanticipatedthatthiscontractwillsubstantiallyincreasesalesoverthenextthreeyears.
患者男性,33岁,因低热半年入院,诊为慢性缩窄性心包炎,体检最有意义的体征是患者女性,35岁,心悸、胸闷、憋气,诊为急性纤维蛋白性心包炎,该患者最特异的体征是
影响胶囊剂填充性的粉体性质是()
当患者在局麻后出现晕厥,错误的处置是
下列有关轻钢龙骨和纸面石膏板的做法,以下哪条不正确?[1995年第095题][1997年第087题][1998年第085题][1999年第088题][2000年第094题][2001年第094题]
设备工程设计合同履行中须变更设计方案的,应由()具体实施。
“教师包揽一切活动,学生跟着教师设计的路子走”,描述的师生关系类型是()。
不论是对个人的向上从善,还是对社会的和谐稳定,包容、接纳都比怀疑、敌视好得多。撇开人权问题不谈,即使对于企业及其他用人单位来说,用一个人,毕竟要的是他的现在和将来,而不是过去;防止一个人变坏,主要还是靠良好制度的制约、环境的影响——一个良好的制度和环境,可
软件工程环境一般应具有某些特征,下列叙述中______不是它必须具备的特征。
A、Becauseshebecametootiredafterthelongtrip.B、Becauseherparents’friendsdidn’ttakeherthere.C、Becauseshehadtod
最新回复
(
0
)