Appreciative inquiry engages individuals, teams, or the entire organization in creating change by:
A. reinforcing positive messages and focusing on learning from success.
B. implementing new systems and procedure to facilitate the change.
C. focusing on short-term accomplishments that people recognize.
D. creating a results-oriented and aggressive organizational culture.
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植物细胞吸水后,体积增大,这时其 Ψ s
A. 上升
B. 下降
C. 不变
D. 等于零
设根毛 Ψs 为 -0.8Mpa ,Ψp 为 0.6Mpa ,土壤 Ψs 为 -0.2Mpa ,这时
A. 根毛吸水
B. 根毛失水
C. 根毛和土壤水分处于进出动态平衡
D. 全可能
渗透作用进行的条件是
A. 水势差
B. 细胞结构
C. 半透膜
D. 半透膜和膜两侧水势差
根系吸水的主要部位是
A. 伸长区
B. 分生区
C. 根冠
D. 根毛区