Passage Two [br] What does the author mean by "unknown unknowns cropping up"

游客2023-11-24 48

问题 Passage Two [br] What does the author mean by "unknown unknowns cropping up" in Para. 11?

选项

答案 Unexpected uncertainties suddenly occurring．

解析根据题干定位至第十一段。第十一段第一句提到，开发环节有很多不可避免的特征(指上文提到的有关成本的估算问题等)，加上人们都有认知偏差，因此计划总不可能是完全精确的，第十二段也指出计划只能是一个最佳的可能情况，而不是一个确定的承诺，再结合unknown和crop的字面意思，可知该词组在此处的意思是“意外情况突然出现”，故答案为“Unexpected uncertainties suddenly occurring．”。

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Passage Two [br] What does the author mean by "unknown unknowns cropping up"

PASSAGETWO[br]Whatdoestheword"taxing"meaninthefirstparagraph?Tiring．

PASSAGEONE[br]What’sthefiercestcompetitionamongthecountriesaspiringfo

PASSAGETHREE[br]Accordingtothepassage,whatendowstheEnglishparkscener

PASSAGETHREE[br]WhyisthetasteoftheEnglishinthecultivationoflandan

PASSAGETWO[br]Whatistheconclusionofthelastparagraph?Weshouldbreakdo

PASSAGETWO[br]Whatisthepossibleattitudeofresearcherstowardstheanthro

PASSAGETWO[br]Whatcanweknowaboutthevibration-detectingequipment?Itcan

PASSAGEONE[br]Whatdid"thisdream"inPara.16mean?Drinkingawholebottle

PASSAGEFOUR[br]WhatcanthesuccessofGooglebeascribedtoaccordingtothe

PASSAGETHREE[br]WhatcanweknowaboutthegracefulfemininestyleinVirgini

Thevastmajorityofpeopleinanyculture______totheestablishedstandardof

ShoppingonInstallmentNowmoreandmoreChinese,especiallytheyoung,hav

AttheuniversityMr.Tangmajoredin______.[br][originaltext]W:Hello,Mr.T

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成熟卵泡的结构由内向外，正确的是A.透明带、卵丘、放射冠、卵泡腔、卵泡内膜、卵泡

据新华社电，我国第一艘航母“辽宁舰”交接人列后，海军官兵以科学求实的态度和顽强

2010年1-3月，法国货物贸易进出口总额为2734.4亿美元，同比增长13.

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