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
Careful observations and systematic studies of sunspots If an intense sunspot activity had occurred in 1857, the next one would
Careful observations and systematic studies of sunspots If an intense sunspot activity had occurred in 1857, the next one would
admin
2009-05-21
29
问题
Careful observations and systematic studies of sunspots
If an intense sunspot activity had occurred in 1857, the next one would have been in
选项
A、1858.
B、1862.
C、1865.
D、1868.
答案
D
解析
答案在本文第四段的第三句话。太阳黑子的剧烈活动每十一年爆发一次,因此如果上一次发生在1857年,那么下一次就会发生在1868年。
转载请注明原文地址:https://kaotiyun.com/show/hVQd777K
本试题收录于:
职称英语理工类B级题库职称英语分类
0
职称英语理工类B级
职称英语
相关试题推荐
Socialanxietydisorderpreventssome15millionAmericansfromleadingnormalsocialandromanticlives,anewsurveyfinds.
SleepSleepispartofaperson’sdailyactivitycycle.Thereareseveraldifferentstagesofsleep,andtheytoooccurinc
Americansstillhavebeengainingweight,althoughtheyhavecuttheiraveragefatintakefrom36to34percentoftheirtotald
Whichofthefollowingareahasthehighestaveragepopulationdensity?Lowdensityofpopulationisgenerallyassociatedwith
Itisadvisabletowearsunscreenwhenyou’reoutinthesun.
Onaclearnight,peoplecansee______Nowadaysevensuburbsarebecomingunsuitableforastronomerstodotheirjobsbecause__
WideWorldofRobotsEngineerswhobuildandprogramrobotshavefascinatingjobs.Theseresearcherstinker(修补)withmachines
Jackeventuallyovertookthelasttruck.
Shewasunwillingtogobutshehadnochoice.
Theconstantfrictionofthewireonthemetalpulleyeventuallycausedittobreak.
随机试题
20世纪60年代以来,面对人类生存环境的不断恶化,开始在全球范围内兴起的运动是()
四个生产者织一匹相同的布,甲用10小时,乙用9时,丙用8小时,丁用7小时,而当时大多数生产者用8.5小时。那么,能够得到超额收入的有()
一次性注射器、输液器和输血器等物品使用后处理方法不正确的是()
普查原发性肝癌最简单有效的方法是
禁忌使用碱性药物洗胃的毒物种类是
2岁男孩,生后即发现有青紫现象,久站喜蹲踞,心脏听诊可在胸骨左缘第2肋间闻及Ⅱ级喷射性杂音,肺动脉第二音减低。如行胸部X线检查,最可能的改变是
按照我国《城市规划基本术语标准》对城市基础设施的定义,狭义的城市基础设施主要包括工程性基础设施与社会性基础设施两大类。()
中央银行最后贷款人职能是指中央银行出于防止系统性风险的考虑,对金融机构提供流动性支持。
发现好望角的航海家是()。
Theotherformsoffolktalesarealsowidespreadthroughouttheworld.Animaltalesfallintotwomajorcategories:those,such
最新回复
(
0
)