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34,35,69,104, ()A.138 B.139 C.173 D.179
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34,35,69,104,()A.138 B.139 C.173 D.179
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:34,35,69,104,()。A.138 B.139 C.173 D.179
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34,35,69,104, () A.138 B.139 C.173 D.179
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34,35,69,104,()。 A.138 B.139 C.173 D.179
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34,35,69,104,()。A.138B.139C.173D.179
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重度智力迟滞的儿童的IQ得分范围在()。A.69以下B.50~69C.35~49D.20~34