大学英语四级重点句型推荐

272. The introduction of adcance agronomic techniques has contributed greatly to the development of agriculture , as indicated by statistics showing increased output in each of the past five years .

数据显示在过去的五年中，每一年的`产量都有提高，这表明发达的农业技术的引入对农业发展起到了很大的作用。

273. While it may appear that the gap between rich and poor people is narrowing somewhat , recently released evidence suggests that the opposite is true .

贫富之间的差距看似有一定的缩小，但是最近发布的证据表明事实正好相反。

274. While attaining world peace remains within the realm of possibility , the prevailing trend revolves around regional conflicts and internal strife in many countries .

获得世界和平是有可能的，但是普遍的趋势是存在地区冲突和许多国家内部的斗争。

275. Although statistics are quite often far less reliable than one might wish , other reliable information allows one to closely approximate industrial output figures .

尽管数据经常比人们希望的不可靠得多，但是，其他可靠的信息使人们能得到接近工业产量的数字。

276. Although random sampling used for many surveys fails to cover large segments of the population , the procedure nonetheless offers insight into voting and consumption patterns .