A.水温较低[Failed to download image : http://192.168.0.10:8086/QBM/2018/7/1/1979045564825600/1981703493943296/STEM/3a993b9c6bd74c0dacd84a525117714d.png] | B.光照不足[Failed to download image : http://192.168.0.10:8086/QBM/2018/7/1/1979045564825600/1981703493943296/STEM/3a993b9c6bd74c0dacd84a525117714d.png] | C.水质较差[Failed to download image : http://192.168.0.10:8086/QBM/2018/7/1/1979045564825600/1981703493943296/STEM/3a993b9c6bd74c0dacd84a525117714d.png] | D.水量较小 |
A.分抢了狗鱼饵料食物[Failed to download image : http://192.168.0.10:8086/QBM/2018/7/1/1979045564825600/1981703493943296/STEM/77d59a5fb9fe477299469ba0641c6b39.png] | B.影响了狗鱼后代繁育 |
C.挤占了狗鱼活动空间 [Failed to download image : http://192.168.0.10:8086/QBM/2018/7/1/1979045564825600/1981703493943296/STEM/77d59a5fb9fe477299469ba0641c6b39.png] | D.使湖水严重富营养化 |