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题型：单选题 题类： 难易度：普通
（培优计划）外研版（三起）五年级下册 模块检测 Module 2 综合能力培优卷
—I don't know.
It's a fine day today. The children{#blank#}1{#/blank#} (visit) a factory. The factory {#blank#}2{#/blank#} (make) crisps. There are many machines. Some machines {#blank#}3{#/blank#} (wash) the potatoes. One machine {#blank#}4{#/blank#} (cut) the potatoes. I remember, {#blank#}5{#/blank#} (not touch) the machines. They are dangerous.
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