抗日山烈士陵园依山而建，分为几个坡段，多少个台阶？
参考答案：抗日山烈士陵园依山而建，分为八个坡段，363个台阶。
Catherine bought a postcard of the place she was visiting, addressed________to_________
and then posted it at the nearby post office. [ ]
A. it ; her
B. it; herself
C. herself;her
D. herself; herself
淀粉浆作黏合剂常用的浓度为
A．5%
B．50%
C．10%
D．30%
E．25%
