2017年12月9日托福阅读预测题目
托福考试的日期逼近，很多学生会选些预测题目练习，那么2017年12月9日的托福阅读预测题目有哪些呢?想必是很多出国人士遇到的问题，和出国留学网一起来看看吧!下面是小编整理的相关资讯，欢迎参考。2017年12月9日托福阅读预测题目Title：Forest SuccessionSuccession is a continuous change in the species composition, structure, and function of a forest through time following disturbance. Each stage of succession is referred to as a successional sere. The final stage of succession, which is generally self-replacing, is referred to as the climax sere. There are two major types of succession: primary and secondary. Primary succession is the establishment of vegetat... [ 查看全文 ]2017年12月9日托福阅读预测题目的相关文章
