请购比价生单方式可以生成如下哪些业务类型的订单？（）
A.普通采购
B.受托代销
C.直运采购
D.委托加工
参考答案：A, B
用括号内所给词的适当形式完成句子，使句子意思完整，语法正确。
1. These flowers are_________(especial) for our English teachers.
2. The students are_________(confuse) about the_________(confuse) problem.
3. It is sometimes_________(easy) to read books than to do math problems.
4. Our tour guide_________(lead) us to an old temple.
5. The store next to my house is having________(sell).
水利水电工程注册建造师施工管理签章文件的类别共有（）类。
A.3
B.5
C.7
D.9
