园林挡墙，指园林内所有能够起阻挡作用的，以砖石、混凝土等石体性材料修筑的竖向工程构筑物。
参考答案：对
．The recent study has shown that people's attitudes towards protecting the environment are not ________ with their behavior in daily life.
A．consistent
B．reliable
C．satisfied
D．enthusiastic
A．5A
B．5A
C．3.5A
D．3.5A
