<正>重点词汇1.unbelievable adj.难以置信的;不真实的I find this story both fascinating and unbelievable.我觉得这个故事非常有趣和难以置信。拓展(1)believable adj.可相信的;可信任的Her explanation certainly sounded believable.她的解释听起来的确可信。(2)believe v.相信;认为真实I don’t believe you!我不相信你的话!I do believe you’re right.我的确相信你是对的。2.progress v.&n.进步;进展The course allows students to progress at their own speed.