室上性心动过速最多发生于（）。 A.无器质性心脏病 B.急性心肌梗死 C.洋地黄中毒

Dogs like living with people. A dog can be a very good friend. He can do a lot of things for people.

Some dogs help people to look after sheep, other dogs help them to find lost (丢失的)children. And some of the dogs can help the blind(盲人)do things.

Many years ago there was a ver dog. His name was Seeing Eye dog. Now we can see this kind of dogs all over the world. They are working for the blind. The Seeing Eye dog is strong ,good and easy to train(训练).He helps the blind to walk from place.

Before a dog becomes a Seeing Eye dog, he must go to a training school for about three months. First the dog has to learn to sit or stay when he hears the trainer’s call. In his next lesson the dog learns to make his trainer across busy streets.

The dog has many things to learn. And in every lesson he must do one thing again and again many times.

At the end of the training schooled must take tests. When he passes the tests, the Seeing Eye dog will do things by himself.

Now he can help blind people. The new master(主人)may be a man, a woman, or even a child. It takes the dog and his blind master about a month to learn to work and live together.

小题1:We can see the Seeing Eye dog           .

only in the country  B. only in small cities

C. all over the world   D. only on the busy street

小题2:What can the Seeing Eye dog do?

A．Look after sheep

B．Help blind people

C．Find lost children

D．Train blind people小题3:How long will it take the dog and his blind master to learn to work and live together?

A．One year

B．Five years

C．About a month

D．A week

某初产妇，孕5月，为预防胎膜早破，告知其禁止性交的时间是（）。

A.妊娠最后1个月

B.妊娠最后2个月

C.足月妊娠

D.妊娠24周后

E.妊娠最后3个月

Walk close ____ it and try to see if it is connected _____ our network.

A．with; to

B．to; about

C．to; with

D．with; about

快件封发清单不属于（）。

A、登列总包内快件的号码、寄达地、种类等内容的特定单式

B、是接收方复核总包内快件的依据之一

C、是结算资费的主要凭据

D、是快件作业内部查询的依据。快件内件类别等内容的特定单式

材料一、2012年国际粮食价格持续高位震荡，国内市场受供求关系和生产成本等因素影响，价格持续上扬。国家统计局数据显示，我国粮食产量实现九连增，这一好消息为稳定粮食价格起到积极作用。纵观新一年粮价，稳步上涨将是大势所趋。材料二、“次贷危机后，下一场危机将是农产品危机。”这是英国《金融时报》的报道标题。它也真切地反映了全球对农产品，特别是粮食价格的忧虑。在我国，随着工业化和城镇化的加速，耕地面积有缩小趋势。同时，受到农业生产资料价格上涨等因素的影响，近年来我国粮食价格及其农副产品价格也不断攀升。

政府应如何应对粮价的上涨对我国粮食生产带来的影响？