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是故无贵无贱,____________,_____________,师之所存也。(韩愈《师说》)
1年前
如图,正方形ABCD中,P为AB中点,BE⊥DP交DP延长线于E,连结AE,AF⊥AE交DP于F,连结BF,CF.
1年前
挨挨挤挤(AABB式) _________ ___________ _____________
1年前
You sent my sister a present. Thank you very much for it. (将句子连接为定语从句)
1年前
Schools should reward top students who have highest score.
1年前