对系统分析中目标分析的正确描述是

A．目标设定的标准是无法度量的

B．目标应尽可能高标准

C．目标一旦确定就不要修改

D．目标是由企业环境和功能需求确定的

句式改写。

1. Are the children reading English in the classroom? (肯定回答)

    _________________________________________________________

2. There are some potatoes in the fridge. (改为否定句) 

    _________________________________________________________

3. He can help us raise the money. (改为一般疑问句)

    _________________________________________________________

4. Jack is flying a kite at the moment. (用every spring 改写句子)

    _________________________________________________________

5. her, is, he, showing, good, something (连词成句)

    _________________________________________________________