在房地产投资分析中，考察物业服务企业的物业管理工作成功与否的主要方面是（）。
A.潜在毛租金收入
B.有效毛收入
C.运营费用
D.净运营收益
参考答案：D
根据首字母填空。
1. Tom always gets up early, so I w _____ why he is late for school today.
2. The Eiffel Tower is made of m _____ .
3. The c _____ of the meeting is about ＄10000.
4. Daniel's leg hurt b _____ .We are sorry to hear that.
5. It sounds a r _____ story.
6. We decided to see the red maple l _____ around Fragrant Mountain.
7. All of s _____ of President Bush came to the square last night.
8. Walk s _____ around the big lake and you'll be very comfortable.
9. We should keep h _____ to keep us working hard.
10. He wanted me to travel around the c _____ of the city with him.
要取得高质量画面效果的，应选用（）。
A.全画幅数字相机
B.120相机
C.135单反机
D.数字后背相机
