首页
登录
职称英语
Had electronic computers not been invented, many problems on space flight______.
Had electronic computers not been invented, many problems on space flight______.
游客
2023-10-18
38
管理
问题
Had electronic computers not been invented, many problems on space flight______.
选项
A、could not have been solved
B、could not be solved
C、can not be solved
D、could not have solved
答案
A
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3108230.html
相关试题推荐
Livinginthedesertinvolvesalotofproblems,________watershortageisthew
Therearestillmanyproblemsaheadofus,butbythistimenextyearwecansee
Whenarailroadwasfirstinvented,noone________thatonedaythissimpleidea
电子产品的出现,特别是电视和电脑,对孩子们产生了巨大的影响。(haveanimpacton)Theemergenceofelectronicpro
Childrenareinventinganewlexiconforelectroniccommunicationwitharan
Childrenareinventinganewlexiconforelectroniccommunicationwitharan
Childrenareinventinganewlexiconforelectroniccommunicationwitharan
Childrenareinventinganewlexiconforelectroniccommunicationwitharan
Childrenareinventinganewlexiconforelectroniccommunicationwitharan
AreComputersAlive?Thetopicofthoughtisoneare
随机试题
Trafficstatisticspaintagloomypicture.Tohelpsolvetheir,trafficwoe
Aftermonthsofintensetrainingandpreparation,ourWorldSkillscompetitors
InMedievalEnglandthetallesthorseswereriddenbypeopleofthehighest
在下图中,()空调系统的设置合理。A. B. C. D.
根据某地是我国重要的人工多层经济林区。下图为该地某日太阳处在最高位置时的示意图.
肺炎患者咳大量黄色脓痰,最有可能提示感染的是( )。A.肺炎链球菌 B.金黄
《辅助设施精益化评价细则》技术资料不包含()安装投运技术文件$;$技
根据下列统计资料回答问题 2015年7月,D市共监测电视、广播、平面和重点网络
简述现代企业人力资源管理各个历史发展阶段的特点。
我国《东北地区振兴规划》提出,经过10~15年的努力,在东北地区形成若干基地,包
最新回复
(
0
)