“InAfrica,everyfiveseconds,achilddiesofstarvation”,whichtypeofopeningdoesitbelongto?
A. Startlingfacts,numbersanddata
B. Questions
C. Vividstories
D. Quotation
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Ifthetopicis“TheEvolutionalongwithHistoryofBatmanasaHeroicFigure”,whichpatternwouldbethemostsuitableone?
A. Chronologicalpattern
B. Climacticpattern
C. Spatialpattern
D. Cause-effectpattern
等值连接不必在结果中去掉重复的属性。()
A. 对
B. 错
“生跳蚤”和“生小狗”中的“生”是同音词。
A. 对
B. 错
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