2016考研英语作文高分系列句子（8）
Furthermore, it is obvious that the strength of acountry s economy is directly bound up with theefficiency of its agriculture and industry, and thatthis in turn rests upon the efforts of scientists andtechnologists of all kinds.译文：再者，显而易见的是，一个国家的经济实力与其工农业效率直接相关，而效率的提高则有赖于各类科学家和技术专家的努力。
点睛：
该句中it是句子的形式主语，真正的主语是两个由that引导的并列的主语从句。第二个逗号后的this指代的是第一个主语从句中的the efficiency of its agriculture and industry.be bound up with意为“与…紧密相关”。in tum此处意为“反之，反过来”。rest upon意为“依赖于”。
考点归纳：
与名词turn相关的常见短语还有：
*be one’s turn( to do sth.) 轮到某人(做某事)
It’s your turn to read the article.
轮到你念文章了。
*on the turn在转变之中
Maybe my luck is on the turn.
也许我要转运了。
*by turns依次，轮流地
That night you were silly,witty and mournful by turns.
那天晚上，你先是傻乎乎的，然后变得很风趣，最后又悲伤起来。
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