一个科学研究小组500只“冰川豹蛛”进行测量后发现,1996-2005年间,这种蜘蛛的体形平均增大了8%-10%;同期当地每年的解冻期提前了20-25天。这支持了他们的猜想:剧烈的气候变化对当地蜘蛛的生长产生了影响。该研究小组负责人表示,这种影响的后果很复杂,一下子无法估计出来。这一说法体现了:①事物间的联系是客观的、无条件的②事物本质的暴露和展现有一个过程③世界总有一些秘密不能为人所理解④人的认识具有反复性、无限性
―Are you still busy? ―Yes, I ________ my work, and it won’t take long.
You ________ to leave until you _______ your work.
―________ you _________ the chief editor at the airport? ―No. He _______ away before my arrival.
―Did you meet Professor Johnson? ―Yes, but when I arrived, he ________, so we only had time for a few words.
―Have you finished your composition already? ―Yes. I _________ it in twenty minutes.