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In the USA in the last 100 years, 23 men _______ to death wrongly.
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It is said _______ ________ was all ________ he said. [ ]
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At the meeting, we discussed___ we should spend more money on the project.
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人眼中的晶状体相当于______,眼球后的视网膜相当于光屏,人眼看物体时,在视网膜上形成______、缩小、______像.
1年前
一根木料长4米,把它平均分成9段,每段是这根木料的几分之几?每段长几分之几米?
1年前