谁能帮我做出这道题来啊,救命Oil is pumped continuously from a well at a rate proportional to the amount of oil left in the well.Initially there were 2 million barrels of oil in the well; six years later 1,000,000 barrels remain.(a) At wha

谁能帮我做出这道题来啊,救命Oil is pumped continuously from a well at a rate proportional to the amount of oil left in the well.Initially there were 2 million barrels of oil in the well; six years later 1,000,000 barrels remain.(a) At wha oil oil 救命,帮我做一做, 快回答我救命. 救命啊,帮我, Painting in _____ is one of their spare-time activities.a.oil b.an oil c.oils d.the oil请高手给我个确切的答案,再讲一下其中的语法知识,我将感激不尽! 救命 救命! 救命 救命. 救命 救命, 救命 救命! 救命 我不想学英语,救命... 救命啊我只算到一半