如何减少风机、电机温升负荷？

Sydney is a young city. Its history goes back just over 200 years. But in Australia, it is the oldest city. It is also the country' s largest city. Sydney is the capital of New South Wales and the most popular city of Australia.

The climate of Sydney is very good. It' s not too cold during the winter and not too hot during the summer. The sky is blue, the air is fresh, and birds sing in the garden. People who live in Sydney seem to have an easy life style. They will tell you, "Don't worry. "

Many people think that Sydney is one of the most attractive cities in the world. It has many tall and modern buildings. Among them, Center point Tower is the tallest. Standing on the 305-metre(80 storeys)tower, you will have a great view of the city.

Sydney is famous for its deep harbor(港口). The harbor has many bays(湾) and beautiful surf beaches.  Among them, Bondi beach is the most popular.  Sydney Harbor is not only beautiful, it also serves as a large port. Ships carry wool, wheat and meat from Sydney to other countries.

People living in Sydney like to call themselves Sydneysiders. They are mostly friendly and easygoing. When they are not working, they love to have a good time at the beach, swimming and sailing.

小题1:Sydney is the        city in Australia.

A．youngest

B．largest

C．coldest

D．hottest小题2: It seems that people in Sydney have easy life because         .

A．the climate is very good

B．the sea is very beautiful

C．they are very rich

D．they always tell you, "Don't worry. "小题3:What is true about the Center point?

A．It' s the tallest building in the world.

B．It's an old building.

C．You can see most of the city on it.

D．It' s 80-metre tall.小题4: Australia is rich in        .

A．wool

B．wheat

C．meat

D．all the above小题5:What do you think of people in Sydney?

A．cool

B．busy

C．shy

D．warm-hearted

《联合国国际货物销售合同公约》规定，买卖合同无须以书面订立或书面证明，此规定的含义是买卖合同的订立方式可以是( )。

A．电话

B．面谈

C．传真

D．签署合同书

IEEE802.11定义了无线局域网的两种工作模式，其中的 (21) 模式是一种点对点连接的网络，不需要无线接入点和有线网络的支持。IEEE802.11g的物理层采用了扩频技术，工作在 (22) 频段。

A．600MHz

B．800MHz

C．2.4GHz

D．19.2GHz

一次设备台帐参数修改流程，下列描述正确的是（）。

A.设备台帐维护员启动设备修改流程—工区专责审核—设备台帐维护员参数修改—发布

B.设备台帐维护员启动设备修改流程—班组长审核—设备台帐维护员参数修改—发布

C.设备台帐维护员启动设备修改流程—工区专责审核—设备台帐维护员参数修改—地市专责审核—发布

D.设备台帐维护员启动设备修改流程—班组长审核—设备台帐维护员参数修改—地市专责审核—发布

根据断层上下两盘相对移动的方向不同分三类包括正断层、逆断层和（）