园林绿化学科分为风景园林和园林绿化两个部分。
参考答案：对
An increase in the price of drugs has ________ the rising cost of medical care.[ ]
A. turned to
B. appealed to
C. refer to
D. contributed to
润滑油的牌号是按其（）划分的。
A、温度
B、凝点
C、密度
D、粘度
