【判断题】正确认识森林的功能与价值是实现森林可持续经营的前提。()
【简答题】关于森林功能的表述,正确的是 A“提供林产品”作为最基本功能 B森林的环境效能作为最基本的功能 C两者都是最基本功能 D两者都不是最基本功能
【简答题】Why could only a limited number of people travel in the past?
【单选题】In this park,the number of visitors is strictly _____ to avoid damaging the environment. [ ]
【单选题】The number of private cars in urban areas should be limited ___________the number of public buses should be increased.
【单选题】下列关于随机森林模型的描述不正确的是
C.
随机森林解决预测问题使用的是平均值法来去处理预测结果
【单选题】The increase of the number of the students makes the limited computers not ______ to each student.
【单选题】The number of the stamps _____ limited, so a number of people _____ to have a look at them.