选择题:对植物群体的总光能利用率产生影响的主要因素是光合面积、________和光合能力。 题目分类:习题答案 题目类型:选择题 查看权限:VIP 题目内容: 对植物群体的总光能利用率产生影响的主要因素是光合面积、________和光合能力。 参考答案:
At the age of 16,he worked for______. At the age of 16,he worked for______.A.his brotherB.himselfC.his fatherD.someone else 分类:习题答案 题型:选择题 查看答案
He is determined to prove his innocence, __________he has to go to the highest c He is determined to prove his innocence, __________he has to go to the highest court of the country.A 分类:习题答案 题型:选择题 查看答案