A:水热充足,土壤肥沃
B:地价便宜,劳动力成本较高
C:培植历史悠久,技术水平高
D:光照条件好,葡萄质量较优
With the quality-oriented education (素质教育) being carried out, teachers won't too much importance to students' grades.
下面运算正确的是( )
我国南方与北方自然环境差异大,下列描述正确的是( )