首页
登录
职称英语
_____, many problems of space flight could not be solved now.A、If electronic com
_____, many problems of space flight could not be solved now.A、If electronic com
游客
2024-09-15
34
管理
问题
_____, many problems of space flight could not be solved now.
选项
A、If electronic computers would not have been invented
B、Had electronic computers not invented
C、Had electronic computers not been invented
D、If electronic computers were not invented
答案
C
解析
此句为混合型虚拟语气结构,从句表示与过去事实相反,主句是表示与现在事实相反。省去if,虚拟条件状语从句用倒装形式,故C正确。
转载请注明原文地址:https://tihaiku.com/zcyy/3758693.html
相关试题推荐
Theconversationmostprobablytakesplace[br][originaltext]M:Flightreserva
Theconversationmostprobablytakesplace[originaltext]M:Flightreservations,
Howmanyquestionshavebeensolveduptillnow?[originaltext]Atwenty-two-
Planoncarryingonyourjacketwithyouonyournextflight?Soonitcould
Planoncarryingonyourjacketwithyouonyournextflight?Soonitcould
Oneofmy______customerswasFredHasbrook,anelectronicssalesman.A、regularB、
The______regardingvitaminCisunlikelytoberesolvedinthenearfuture.A、dev
Thecommitteehasanticipatedtheproblemsthat______intheroadconstructionp
Itisnotuncommonforthere______problemsofcommunicationbetweentheoldand
ThemanwantstogetthefollowingdetailsoftheflightsEXCEPT[originaltext]W
随机试题
[audioFiles]audio_eufm_j08_001(20082)[/audioFiles]A、Shedidn’tgotothegame.
Lookatthefollowingstatements(Questions37-40)andthelistofresearchersb
[originaltext]WeonlyhaveafewminutesleftsoI’dliketogooveracoup
增值税纳税人发生的下列行为中,按简易办法依3%征收率减按2%征收增值税的是()
混凝土粗骨料的质量要求包括:( )。 ①最大粒径和级配;②颗粒形状和表面特征
下列关于伤寒肥达反应的叙述,不正确的是A.“O”效价≥1:80,“H”效价≥1:
A.氯霉素 B.维生素C C.吗啡 D.氨苄青霉素 E.肾上腺素分子中具
某县级领导向市级领导反映该县的一些社会情况,应选用的公文种类是()。A.通报
()是金融市场运行的基础。A.企业 B.中央银行 C.金融机构 D
中学生的伦理道德发展的基本特征之一是可以做到言行一致,具有()性。
最新回复
(
0
)