[10-20 18:10:12] 来源：http://www.67xuexi.com 高二英语 阅读：85460次
arise vi 出现；发; 生起来；站起
That question did not arise. 那个问题没有出现。
I arose early in the morning.我每天早上起得很早
Accidents arise from carelessness. 疏忽大意往往会引起事故的发生。
arise from 由...而引起, 由...而产生; 从...中产生
arise out of 由...而引起, 由...而产生; 从...中产生
31. Others appeared brighter at times and less bright at others. 其它行星有时看上去亮些，有时又不怎么亮。
第一个others表示other planets, 第二个others表示other times
at times有时；不时I do feel a little nervous at times.我有时的确感到有点紧张
与time相关的词组
at one time意为“一度；过去曾经”，用于一般过去时态；
at a time意为“一次；每次；在某个时候”；
at all times意为“一直；无论何时”，相当于at any time; always。
32. So between 1510 and 1514 he worked on it, gradually improving his theory until he felt it was complete. 于是，他在1510至1514年期间从事这项研究，逐步修改他的理论，直到他感到完善时为止。
work on 对…起作用；对…发生影响；向…做工作；使兴奋；左右
His work on the cause of the diseases is of premier importance to the whole world.
他的病理研究工作对全世界至关重要。
33. He also suggested that the earth was spinning as it went round the sun…他还提出地球在围绕太阳转的同时，它本身还自转，……
34. His friends were entusiastic and encouraged him to publish his ideas, but Copernicus was cautious. 他的朋友都热情地鼓励他把他的思想公诸于世，而他却小心谨慎。
The retired worker is very enthusiastic about neighbourhood affairs. 这个退休工人对里弄工作非常热心。
The schoolboys are more cautious not to make any mistakes in spelling than ever before. 男学生们在拼写时比以前更加小心,以避免发生错误。
35. Yet Copernicus’ theory is now the base on which all our ideas of the universe are built. 然而哥白尼的理论却是我们宇宙观赖以建立的基础。
36. If you were Nicolaus Copernicus, would you have hidden your theory for so many years? 如果你是哥白尼，你会把你的力量掩藏很多年么？
37. He has done many years of observations to prove his new theory is true. 他做了多年的观察工作来证实他的新理论是真的。
a man of no observation 没有观察力的人 carry out observations 进行观察
38. somebody else’s point of view 别人的观点
39. hold discussions 进行讨论
40. make choices 做出选择
41. You may argue with them and try to persuade them 你可以和他们争辩并且尽力说服他们。