单项选择题 After reading the review of the book Schindler’s Ark and meeting Pfefferberg in 1983, Spielberg expressed enough interest in putting the story into a film. But later he tried to pass the project to other film directors. Why? A、Because Spielberg was taking on another Holocaust Drama then.B、Because Spielberg’s mother was killed during the Holocaust.C、Because Spielberg was worried that the topic would cause controversies.D、Because Spielberg was not sure whether he was good enough to make the film.

单项选择题 根据集团《资产转让管理办法》内容，进场交易公开转让方式，转让底价高于100万元（含100万元）、低于1000万元的资产转让项目，信息公告期应不少于（）个工作日

单项选择题 钻井液性能不好、密度过（）造成井内压差过大、失水量大、泥饼厚、粘滞系数大。