自2014年开始，全国法院对近20年来未实际执结的执行案件进行全面清查核录，把1600余万案件录入执行案件管理系统，彻底解决执行案件底数不清、情况不明的问题。通过建立网络执行查控系统、网络司法拍卖、增加被执行人的失信成本，我国当前已基本解决执行难问题。下述理解正确的有（ ）。
O is the representative of a college students’ union and is organizing a student sports game. P store agreed to sell to O ten boxes of “Purity” bottled water for the game. However, the water delivered to O actually bore the label of “Clean and Sweet,” which brand was as good as “Purity”. Q, a sales representative of “Purity” water sued P store for breach of contract and the court held for P, the most probable reason would be
O and W signed a written contract under which O would sell 3 big trees to W at $500. Later the market price for the three trees increased to $650. One day before the delivery date, a fire burned down all three trees without the fault of either O or W. O sued for $500, and W counterclaimed for $650. Which of the following statements is true?
O hired W to help remove 3 big trees from one corner of O’s farm to another corner. When W had moved the first tree, there was a fire burning down all three trees without the fault of either O or W. Which of the following statements is NOT ture?
S badly needed cash and offered to sell an antique that was a gift from his grandparents. B, an owner of an antique shop, offered to buy it at $ 1,000 and S agreed. Before delivering the antique to B, S discovered that the market price of the antique was actually $ 10,000. He decided not to sell it to B. If B sues S for breach of contract, which of the following is the best defense that S may allege?
K was injured by a car and lied on the walkway bleeding. L passed by and saw K, but he did not stop. Later K died because of bleeding and K’s personal representative sued L. If the court held for L, it would be because
区规划局向光明公司作出了规划许可和建设许可，许可光明公司修建职工宿舍，但光明公司在修建时，超出规划范围，多修筑了1000平米的地下室，并在地面搭建了500平米的工棚供职工居住，对此，行政机关应当采取哪个做法？（ ）
