一般认为，世界上第一台电子数字计算机ENIAC诞生于（）
更新时间:2024-11-24 03:13:25 A、1946A
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Thefirststepinthestudyofanylanguageisobservingand____preciselywhathappenswhennativespeakersspeakit.
Ifhe____ontouristsforhisbusiness,hewouldhavetoclosehisshop.
Tammy:Someoneisatthedoctor.
Richard:______.
Tomhasbeenavegetarian____principleforyears.
Hearrived____London____acoldwinternight.
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