Smart dust sensors can do all the following EXCEPT ______. To cover an area of 3 square miles and get information about each po

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问题 Smart dust sensors can do all the following EXCEPT ______.
To cover an area of 3 square miles and get information about each point along the way, how many smart dust sensors, are needed?

选项 A、About 3,000 sensors.
B、About 3,300 sensors.
C、About 5,000 sensors.
D、About 6,600 sensors.

答案B

解析从“With a single network of 10,000sensors—thought to be the biggest array(阵列) of sensors currently possible—you could cover 9 square miles”可以计算得出选项B。本题是一道很简单的细节题，回原文定位便可以找到答案。

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Smart dust sensors can do all the following EXCEPT ______. To cover an area of 3 square miles and get information about each po

在职攻硕英语联考

Sciencehaslonghadanuneasyrelationshipwithotheraspectsofculture.ThinkofGallileo’s17thcenturytrialforhisrebell

AdamSmith,writinginthe1770s,wasthefirstpersontoseetheimportanceofthedivisionoflaborandtoexplainpartofits

TheUnitedStatesisoftenconsideredayoungnation,butinfactitisnexttotheoldestcontinuousgovernmentintheworld,a

TheLondonStockExchangehasbeenfamousasaplaceformenonly,andwomenusedtobestrictlyforbiddentoenter.Butthewor

Femaleapplicantstopostdoctoralpositionsingeosciencewerenearlyhalfaslikelytoreceiveexcellentlettersofrecommendat

Shopperswhohaveflockedtoonlinestoresfortheirholidayshoppingarelosingprivacywitheverymouseclick,accordingtoa

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（清华大学2007年试题）Seariseasaconsequenceofglobalwarmingwouldimmediatelythreatenthatlargefractionoftheglobeliving

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