雅思阅读中的长难句 Behaviorists suggest that the child who is raised in an environment where there are many stimuli which develop his or her capacity for appropriate responses will experience greatly intellectual development. 1. Looking beyond the 10-year period ， the botanists estimate that some 3 ，000 native plant species may become extinct in the foreseeable future more than 10 percent of the approximately 25 ，000 species of plants in the United States. 译文： 在展望10 年后的情况时植物学家们估计，在未来可预见到的时间内， 3000 种本地植物占
