一般常采用地下或半地下回收水池,其平面形状为()。
A.圆形
B.椭圆形
C.菱形
D.矩形
参考答案:D
用所给词的适当形式填空。
1. ______________ (do) you have a headache?
2. How do you ______________ (go) to school?
3. My brother ______________ (like) playing football.
4. There ______________ (be) some water in the glass.
5. Many people ______________ (have) a cold.
6. Are there ______________ (some) tall buildings here?
一般而言,服务对象通常是通过各种转介与( )等方式成为服务对象的。
A.社区组织B.家庭C.自我D.外展