问题 单项选择题 A3/A4型题

患者,女性,42岁。半年前因突发呕新鲜血1800ml,住院治疗。并确诊为门脉高压症,保守治疗好转后出院。本次因大量呕血再次住院,经三腔二囊管压迫止血等综合治疗6天,出血停止24小时后,拔除三腔二囊管,又发大出血。

出血停止后,拔除三腔二囊管,又发大出血的最可能原因是()

A.拔管时胃体黏膜撕裂

B.急性胃黏膜病变

C.并发胆道出血

D.十二指肠溃疡出血

E.应激性溃疡

答案

参考答案:A

单项选择题
阅读理解

阅读理解

     Researchers in Britain are driving the environmental movement  to a new level.A team from the Univer

sity of Warwick has built what  it calls the world's first completely environmentally friendly Formula  Three racing car.

     The car is made mainly of renewable materials, like plants and  vegetables.The structure around the car is made from natural plant fibers and potatoes.The steering wheel (方向盘) is made from root  vegetables like carrots.The engine uses biofuel made from vegetable  oil and waste chocolate.

     The new racing car is extremely fast.The car has a top speed of two hundred fifteen kilometers an hour.And it can go from zero to  ninetyfive kilometers an hour in just two and a half seconds.The racing car

meets all of the Formula Three racing requirements except for its biodiesel(生物柴油) engine.

     Automobile racing is one of the most widely watched sports in the world.But it is also considered one

of the least friendly sports to the environment.Racing cars burn a lot of fuel, and create a lot of air pollution.In recent years, the racing industry has taken steps to protect the environment.More racing companies are now producing cars that use less energy.These cars produce less pollution than cars that depend on

traditional fuel, like gasoline.

     Last month, the new racing car was set to run in its first competitive race at the Formula Three

Championship Final at Brands Hatch.It would have been the first biodieselpowered car to race at Formula Three.Current Formula Three rules let only gasolinepowered car to compete.Officials needed permission

from all of the Formula Three racers for the biodieselpowered car to compete.They were unable to contact one of the drivers, so the new racing car didn't appear in the event.In test runs, the new racing car was the fifth fastest among the Formula Three race cars.Supporters are hoping to have the fuel problem solved in

time to compete in the next season.

1. What's the second paragraph mainly about?

A. What materials the new racing car is made of.

B. Why researchers built the new racing car.

C. The characteristics of the new racing car.

D. The process of the new racing car being designed.

2. According to the passage, the________of the new racing car doesn't meet the Formula Three racing

requirements.

A. speed                  

B. appearance

C. weight                  

D. engine

3. It can be inferred from the passage that________.

A. the new racing car is the first environmentally friendly car

B. automobile racing could be forbidden in the near future

C. many people like to watch automobile racing

D. the new racing car will be allowed to compete in the next season of Formula Three racing

4. In recent years, racing companies are producing cars that ________.

A. burn more fuel            

B. go more quickly

C. produce less pollution      

D. cost less money