判断题:在一定范围内可以用增加C02浓度的方法增强光合作用。( ) 题目分类:生态学基础 题目类型:判断题 查看权限:VIP 题目内容: 在一定范围内可以用增加C02浓度的方法增强光合作用。( ) 参考答案: 答案解析:
We do not think such an abnormal phenomenon will last long. We do not think such an abnormal phenomenon will last long.A.bad B.unusual C.irr 分类:生态学基础 题型:判断题 查看答案
You startled me when you shouted. You startled me when you shouted.A.threatened B.frightened C.interrupted D.troub 分类:生态学基础 题型:判断题 查看答案