黑白画宜选用光洁、白净、厚实的纸，多选用绘图纸、（）、白板纸。
A.宣纸
B.砂纸
C.底纹纸
D.白卡纸
参考答案：D
填空
1. —What's your n_______?
—My name is Bob.
2. Five plus three is e________.
3. John Brown's f________ name is Brown.
4. His phone n________ is 562-4328.
5. —Who is that girl?
—H________ name is Linda.
与前期服务合同相比，物业服务合同具有稳定性强和( )的特点。
A．期限不明确
B．期限明确
C．期限长
D．期限短
