问题 单项选择题

患儿5岁,阵发性头痛3个月,因突然剧烈头痛、反复呕吐半天急诊入院,检查:神志清醒,双瞳孔正常,颈项强直,半小时后突然呼吸停止,心跳存在,其诊断是()

A.垂体腺瘤

B.急性脑水肿

C.急性脑膜炎

D.枕骨大孔疝

E.小脑幕切迹疝

答案

参考答案:D

解析:患儿最大可能是脑内出血,脑水肿所致枕骨大孔疝形成而压迫生命中枢。

单项选择题
阅读理解

四、阅读理解(2分×15=30分)阅读下列短文,从每题所给的A、B、C和D项中,选出最佳选项。

Talk about a real-life hero! Ten-year-old Larry Champagne from St. Louis,Missouri, hit the brake (刹车) on a runaway school bus. He saved himself and 20 other kids on board from disaster.

It all happened in one terrible accident. On the way to school, the bus driver, Ernestine Blackman, suddenly fell ill. Seeing the car was running away, the other kids started to scream, but Larry ran to the front and stopped the bus.

“At first I thought, ‘We’re going to die,’” says Larry, “but after I pressed the brake, I felt safe.”

Larry’s speedy reaction made news all over the country. He appeared on TV shows as a hero. The bus company gave Larry a big gift. His school hung a medal of honor around his neck.

“My grandmother always tells me to do what’s right,” says Larry. He thanked his brother, Jerrick, 9, who “helped me get the bus driver up” during the emergency(紧急情况). How did he know how to stop the bus? Larry is something of a mechanic(机械师). He helps his grandfather work on his old truck. “He gets his hands dirty,” says his grandfather. One thing is for certain: Larry knows where to find the brakes.

1. What did Larry do to save the runaway bus?

A. He parked it for the sleeping bus driver. 

B. He helped all the kids climb out through the windows.

C. He dialed 911.              D. he pressed the brake.

2. When did Larry finally feel safe?

A. When the kids finally stopped screaming.        B. When the police officers arrived.

C. Once he pressed the brake, and the bus stopped.   D. When the bus driver started driving again.

3. Larry got the following as praise for his hero action Except            .

A. appearing on TV shows                         B. a scholarship from his school

C. a big gift from the bus company                    D. a medal of honor

4. Larry thanked his brother Jerrick for             .

A. helping him get the bus driver up                  B. helping him work on his old truck

C. teaching him how to find the brake         D. teaching him how to stop the bus

5. The underlined sentence“Larry is something of a mechanic” tells us that               .

A. Larry’s job is a mechanic                       B. Larry knows something about machines

C. Larry is a robot                                     D. Larry knows nothing about machines