单选题:原生演替的速度比次生演替的速度( ) 题目分类:生态学基础 题目类型:单选题 查看权限:VIP 题目内容: 原生演替的速度比次生演替的速度( ) A. 快 B. 慢 C. 相等 D. 依具体情况而定 参考答案: 答案解析:
New drivers are far more __________ to have accidents than e New drivers are far more __________ to have accidents than experienced drivers. 分类:生态学基础 题型:单选题 查看答案
记忆一份材料时,中间部分的记忆效果优于开始和末尾部分,这种现象称为系列位置效应。( ) 记忆一份材料时,中间部分的记忆效果优于开始和末尾部分,这种现象称为系列位置效应。( ) 分类:生态学基础 题型:单选题 查看答案
What is the writer's tone in this passage? What is the writer's tone in this passage?A. Approvin B. Criticizin C. Ironica D 分类:生态学基础 题型:单选题 查看答案