1. discovery n. 发现 , make a discovery 作出一项发现 discover vt. 发现 ; 发觉 ; 找到 discoverer n. 发现者 2. call up =ring up 给…打电话 还有“使想起，使忆起 征召…入伍”的意思The old photo calls up memories of my childhood.When war breaks out, we shall be called up at once.He called me up to tell the good news . call for 需要 , 要求call in 邀请 , 请来call on/at 拜访 (call on 后跟人作宾语， call at后跟地点名词作宾语 )1.His aunt’s letters _____ of those beautiful days when they used to live together in his hometown. A. call him up B. call him for C. call him on D. call him at 2.---Can I do the job? ---I’m afraid not, because it ___ skill and patience. A. calls on B. calls out C. calls up D. calls for ３ . now and then 有时 , 偶尔 I see them now and then, but not often. I used to call people ___, from the moment I woke up to the time I went to sleep. A. now and then B. all the time C. at home D. at work ４ . Here was a chance for me to distinguish myself by inventing something that would catch snakes but not harm them. distinguish oneself 显扬自己 , 使自己扬名 The man distinguished himself by his wisdom. distinguish vt. 辨别 , 区别I can’t distinguish the twins, they are so alike.distinguish…from 把…与…加以分开distinguish between A and B 辨别甲和乙You should be able to ______ right from wrong. A. differ B. distinguish C. determine D. observe 6. The first thing I tried to do was to see if there were products that might help me, but there only seemed to be powders designed to kill snakes. there be 常见的变化形式有： there seems to be… there happens to be…there used to be… 等． there be 强调某处有某物 ;have 强调某人有某物指为人所拥有There is a book on the desk.I...
