【单选题】He was ( ) his wits end what to do.
【简答题】By the end of last week, he______ (finish) his composition.
【单选题】Mr. Johnson requested his intern ------- the report on his desk by the end of the day.
【判断题】在实际预测中,采用的方法不同,对信息资料的要求也可能不同。( )
【单选题】Not only his parents but also his brother ________ to Tokyo. They will be back by the end of next month. [ ]
【单选题】Not only his parents but also his twin brother _____ to South Korea. They will be back by the end of next month. [ ]
【单选题】In the end he realized his dream, but______the cost of his life.
【多选题】2016年6月,中科院合肥物质科学研究院固体物理研究所特聘研究员亚历山大·冈察洛夫研究团队利用金刚石对顶砧并结合脉冲激光加热技术,直观呈现了地球内部极端高温高压条件下铁的热力学行为,从而解释了地球磁场稳定存在的原因。该成果具有解释地球磁场由来和解读地球温度演化的双重意义。这表明( )
【单选题】His father had only a little money left ___ every month.