（）＝直接工程费＋管理费＋利润＋风险。A、纯单价B、综合单价C、成本价D、建筑产品售
题型：单项选择题
问题：
（）＝直接工程费＋管理费＋利润＋风险。
A、纯单价
B、综合单价
C、成本价
D、建筑产品售价
题型：单项选择题
阅读理解
下面是动物园大门前的广告，请阅读这个广告，并回答广告后面的问题。
1. How many kinds of animals are talked about in the passage?
A. Five.
B. Six.
C. Seven.
2. A child under 12 can go to the zoo _____.
A. with a ticket of $1.00
B. with a ticket of $2.00
C. freely(免费)
3. Now Mr. Smith is in the zoo with his two sons, one aged 14 and the other 10, how much are the tickets(票) together?
A. $2.00
B. $3.00
C. $4.00
4. Which of the following is the visiting time(参观时间)?
A. 8:00 a. m. Monday.
B. 9:30 a. m. Friday.
C. 3:00 p. m. Sunday.
5. Which of the following can we do in the zoo?
A. To give some food to the fish.
B. To take a few nice photos.
C. To throw things everywhere.