国际目标市场的估测中，通过已公布的资料或企业组织调查获取的资料，对目前市场需求的状况进行的估计是（）估计。
参考答案：现有市场潜力
句型转换。
1. A. I want to enter the Piano Competition.
B. I want to ________ ________ ________ the Piano Competition.
2. A. Christmas Day is on December 25th.
B. Christmas Day is on ________ ________ ________ ________.
3. A. She was late yesterday because she was ill.
B. She was late yesterday ________ ________ her illness(病).
4. He had a party at home on weekend. (改成一般疑问句)
________ he ________ a party at home on weekend?
5.He sneezed for one minute. (对划线部分提问)
________ ________ ________he sneeze?
计算机软件一般包括系统软件和( )。
A．源程序
B．应用软件
C．管理软件
D．科学计算
