| 41. | Although mankind has undergone no general improvement in intelligence or morality, it has made extraordinary progress in the accumulation of knowledge. |
| 虽然人类有智力和道德上没有得到普遍提高，但在知识积累方面却取得了巨大的进步。
|
| 42. | Company would be a palpable improvement , he thought. |
| 他暗自想着，要是有个伴，那就显然是强得多了。
|
| 43. | It is generally believed that the chief reason for the increase in population in developed countries is not so much the rise in birth rates as the decline in death rates as a result of the improvement in medical care. |
| 普遍认为，在发达国家人口增长的主要原因与其说是出生率的上升，还不如说是由于医疗保健的改善使死亡率下降了。
|
| 44. | It is suggested that governments ought to make efforts to reduce the increasing gap between cities and countryside. They ought to set aside an appropriate fund for improvement of the standard of peasants' lives. They ought to invite some experts in agriculture to share their experiences, information and knowledge with peasants, which will contribute directly to the economic growth of rural areas. |
| 建议政府应该努力减少正在拉大的城乡差距。应该划拨适当的资金提高农民的生活水平；应该邀请农业专家向农民介绍他们的经验，知识和信息，这些将有助于发展农村经济。
|
| 45. | It must be noted that improvement in agriculture seems to not be able to catch up with the increase in population of rural areas and there are millions of peasants who still live a miserable life and have to face the dangers of exposure and starvation. |
| 必须指出，农业的发展似乎赶不上农村人口的增加，并且仍有成千上万的农民过着缺衣挨饿的贫寒生活。
|
| 46. | There are two reasons for the improvement in people's living conditions. In the first place, we have been carrying out the reform and opening-up policy. Secondly, there has been a rapid expansion of our national economy. Furthermore, the birth rate has been put under control. |
| 人民生活状况的改善原因有两点。首先，我们一直在贯彻执行改革开放政策。其次，国民经济正在迅速发展，而且出生率已经得到控制。
|
| 47. | I expect an improvement soon.. |
| 我期望很快会有所改进。
|
| 48. | He has no capacity for improvement . |
| 他是朽木不可雕。
|
| 49. | a gigantic effort, improvement , success, etc |
| 巨大的努力, 改进, 成功等
|
| 50. | a marked difference, similarity, improvement , etc |
| 显著的差异, 相似, 改进等
|