蜜蜂白垩病的病原是()
A.真菌
B.病毒
C.支原体
D.衣原体
参考答案:A
下列关于Delphi的叙述中,哪一项是不正确的
A.Delphi属于第四代语言
B.Delphi基于面向对象编程方法,是一种可视化开发工具
C.Delphi提供了数据迁移工具(DataPum,可以实现数据从一个数据库到另一个数据库的迁移
D.Delphi可以方便地支持数据仓库的创建
句型转换 。
1. They are cleaning the house.(对划线部分提问)
are they ?
2. My brother is playing football.(改为否定句)
My brother playing football.
3. Peter is eating dinner now.(改为一般疑问句)
Peter dinner now?
4. He wants to go to the movies.(改为否定句)
He to go to the movies.
5. Are they watching TV? (作肯定和否定回答)
Yes, ./No, .