单选题
Homingpigeonisusefulasa______carrierbecausewhentakenfromhome,itwillreturnatthefirstopportunity.
题目答案
C
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举一反三
OneoftheresponsibilitiesoftheCoastGuardistomakesurethatallships______followtrafficrulesinbusyharbors.
题目答案
B
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Shewasso______thenoisethatshesentthechildrentobed.
题目答案
D
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Mr.Johnson______rathernotinvestthatmoneyinthestockmarket.
题目答案
A
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Americanseat______vegetablesperpersontodayastheydidin1910.
题目答案
A
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In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
题目答案
A
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Manypatientsinsistonhavingwatcheswiththeminhospital,______theyhavenoschedulestokeep.
题目答案
B
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Insummer,shewouldsitinthegardenenjoyingthefreshairandthesmellofthethingsshe______.
题目答案
B
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There______nothingmorefordiscussion,themeetingendedearlierthanexpected.
题目答案
A
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______wecanhopeforistoavoidcompletefailureinthecominggamewiththatstrongteam.
题目答案
D
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Whilecrossingthemountainarea,allthemencarriedgunslestthey______bywildanimals.
题目答案
D
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