下列______属于风景名胜绿地。
A．黄山风景区
B．公园
C．沿海防护林
D．果园
参考答案：A
已知am=3，an=2，则a2m+n=______，am-n=______．
In France, people are not supposed to eat anything with your hands _____
bread. [ ]
A. beside
B. expect
C. besides
D. except
