题目

扩展下面语句，要求扩展后语句主旨更明确，并构成对偶句。   原句：在自然界中，万物都在竞争；在人类社会中，竞争也不断。   扩句：____________________________________________________________________     答案：自然界中，万物都在竞争：为食物竞争，为生存空间竞争；在人类社会中，竞争也不断：有的为名利而竞争，有的为真理而竞争。   选择最佳的句子配对： (　　)1．Was this your first incline skating marathon? a．Only for four hours． (　　)2．How long did you sleep last night? b．When I was 9． (　　)3．How long has she been working here? c．He likes collecting stuffed animals． (　　)4．When did you start collecting coins? d．For twenty years． (　　)5．What is his hobby? e．No, it wasn’t．