现有一宗占地面积为1000m2的城镇建设用地，使用者先以行政划拨方式取得，后于200

按要求完成下列句子，每空一词。  

1. My party starts at 6:30 p.m. (就画线部分提问)

    _____ _____ _____ your party _____?

2. It is Monday today. (就画线部分提问)

    _____ _____ is it today?

3. She is babysitting her little brother this weekend. (就画线部分提问)

    _____ _____ she _____ this weekend?

4. She has to help her mother with the dinner.(改为否定句)

    She _____ _____ _____ help her mother with the dinner.

5. Can you play chess with me? (作肯定回答)

    Sure, _____ _____ _____.

人们常说：做人要懂事，那么懂事最重要的就是[ ]

①懂得分辨什么是善，什么是恶

②懂得自我尊重，培养乐观向上的人生态度

③懂得怎么做是对，怎么做是错

④懂得实事求是地认识自己，做一个自尊自信的人

A．①②

B．①③

C．③④

D．②③

The conference will be put off until next week, _______ we will have made all the preparations.

A．which

B．in which

C．when

D．on which

流速仪测流速时，转速与流速的关系式及式中各项的物理意义是什么？

调节超短波治疗机输出时，不论治疗剂量大小，只需观察氖光灯亮度和询问病人感觉。