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owaboutthesolarstillequipme
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33Whatdoestheu
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paragraph2referto
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6
f34What’sthelaststepofco
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CWeightthesheet’sce
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35Whe
asolarstillworksdropsofwatercomei
tothecupfrom_________
Atheplastictube
Boutsidethehole
Ctheope
air
Dbe
eaththesheet
第二节共5小题；每小题2分，满分10分根据短文内容，从短文后的选项中选出能填入学科网空白处的最佳选项。选项中有两项为多余选项。
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