以下说法错误的是A．人群对各种肝炎普遍易感 B．甲型肝炎病毒感染后机体可产生较稳固的

北京时间8月8日晚上20点，第29届奥林匹克运动会在国家体育场（鸟巢）隆重开幕，全球（）个国家和地区的代表团，欢聚在五环旗下实现了奥运史上空前大团聚。在代表团入场仪式中，各国的旗手作为排头兵格外引人瞩目。

A．204

B．205

C． 203

D． 202

阅读理解。

     Everyone has an ambition (志向) to travel. But those who cannot do so themselves might find it interesting

to work in a travel agency (旅行社), arranging journeys for other people. Brain Lawley does this, working in

a small travel agency in an industrial city. Most of his work is concerned (有关) with holidays, both at home

and abroad. Every autumn, the agency sends out hundreds of booklets (小册子)full of attractive coloured

photographs, describing the holidays that their customers will be able to have next year. Soon people begin to

come into the office to book their holidays: perhaps a week's skiing in Austria in January, perhaps a cruise (巡

游) to the Caribbean in February, perhaps a seaside holiday in Spain in May, or a tour to North Africa, Brain

often has to advise people on what holidays will be suitable for them, and they always have a lot of questions.

Last year, for example, a lady of eighty-two wanted to book for a mountaineering (登山) holiday in the Alps,

and Brain had great difficulty in persuading her that it would not be suitable. In the end, she decided to go for

a Mediterranean cruise instead. 

     Arranging journeys for people who have to travel abroad on business is often very complicated (复杂), but

Brain enjoys this work. For example, last spring Mr.Perry, a director of a local chemical firm, went on a

business trip, and Brain arranged it all for him. First, Mr.Perry traveled to London by train, and stayed overnight

in a hotel near the airport, because his plane left nearly the next morning. He flew to Frankfurt, in Germany,

where he spent the morning discussing business. Then he went on by train to Zurich, where he stayed the

night. After a meeting the next morning, he caught a plane for Tokyo, and spent three days there before going

to America. He had business in Seattle, Chicago and New York, and stayed some time in each of those places.

From New York, he flew back to London and then went home by train. The next day he telephoned the agency

to thank Brain for arranging everything so well for him.

1. Who would like to work in travel agency? [ ]

A. People who live an industrial city.

B. People who would like to travel but cannot.

C. Ambitions people.

D. The people who go on holidays abroad.

2. When do customers come into the office to book their holidays? [ ]

A. Early in the morning.

B. Every year.

C. In January.

D. Shortly after receiving the booklet.

3. Mr. Perry telephoned the agency to thank Brain because _____. [ ]

A. Mr. Perry arranged everything so well for Brain

B. Brain arranged everything so well for him

C. the agency sent Mr. Perry abroad on business

D. Brain helped him in the travel agency

4. How was Mr. Perry's journey arranged?

    a. Fly to Tokyo              b. To Frankfurt                c. Back home by train

    d. Fly back to London    e. To Zurich by train

    f. Have business in Seattle, Chicago and New York  g. To London by train [ ]

A. g, b, a, f, e, d, c

B. c, b, a, g, e, f, d

C. g, b, e, a, f, d, c

D. f, e, a, b, g, c, d

什么叫分组码？

低压管路是指压力每平方厘米不超过多少公斤时可使用有缝钢管作为水系统的管子？

病灶呈类圆形，位于鞍山，在MRI的T1和T2加权像上均呈高信号，垂体受压变扁。首先考虑的诊断是（）。

A.蛛网膜囊肿

B.Rathke囊肿

C.胶样囊肿

D.囊性颅咽管瘤

E.囊性垂体瘤