按现行施工管理制度要求，对危险性较大的现场安装的起重机设备，不仅要对其设计安装方案进

句型转换

1. She often helps other children. (改为被动语态)

    Other children _____ _____ by her.

2. Harry Potter was written by J．K．Rowling. (改为一般疑问句)

     _____ Harry Potter _____ J .K. Rowling ?

3. Betty will be invited to the party this evening. (改为否定句)

    Betty _____ _____ _____ to the party this evening.

4. Some vegetables were bought at the morning market. (对画线部分提问)

    _____ _____ some vegetables _____?

5. He was so interested in the field of computer science that he couldn't stop his study. (改为同义句)

    He was _____ _____ in the field of computer science _____ _____ his study.

低压配电设计所选用的电器，应符合国家现行的有关标准并应符合( )。

A．电器应适应所在场所的环境条件
B．电器的额定电流应不大于所在回路的计算电流
C．电器的额定频率应与所在回路的频率相适应
D．电器的额定电压应与所在回路标称电压相适应

CJD有哪些临床表现

机械设备的故障诊断工作可以分为信号检测、（）、状态识别和诊断决策四个步骤。

A.信号收集

B.故障预测

C.异常模型确定

D.特征提取

标志着我国封建君主专制主义中央集权制度发展到顶峰的是（）

A.内阁的设置

B.议政王大臣会议的设置

C.南书房的设置

D.军机处的设置