问题 单项选择题 案例分析题

患儿胎龄33周,生后6小时出现呼吸困难、呻吟、进行性加重。体检有吸气性三凹征,两肺呼吸音减低。

经治疗后病情改善,但第2天患儿又出现呼吸急促、尿量减少、心率增快,达180次/分,经皮血氧饱和度在70%~80%左右,应首先考虑()

A.感染性肺炎

B.肺动脉高压

C.气漏

D.支气管肺发育不良

E.动脉导管开放

答案

参考答案:E

阅读理解

Easy Ways to Keep Your Brain Sharp

Everyone is forgetful, but as we age(变老), we start to feel like our brains are slowing down a bit—and that can be a very annoying thing.   小题1:  Read on for some techniques worth trying.

1.   小题2: 

People who regularly made plans and looked forward to upcoming events had a 50 percent reduced chance of Alzheimer's disease (早老性痴呆症), according to a recent study.   小题3:  Something as simple as setting a goal to have a weekly coffee date with a friend will do. There's evidence that people who have a purpose in life or who are working on long or short-term goals appear to do better. In other words, keep your brain looking forward.

2. Go for a walk

Mildly raised glucose (葡萄糖) levels can harm the area of the brain that helps you form memories and physical activity can help get blood glucose down to normal levels. In fact, exercise produces chemicals that are good for your brain.   小题4: 

3. Learn something new

Take a Spanish class online, join a drawing club, or learn to play cards. A study found that mental stimulation (刺激) limits the weakening effects of aging on memory and the mind. But the best thing for your brain is when you learn something new and are physically active at the same time.   小题5:  Or go dancing with your friends.

A.Focus on the future.

B.This can be especially harmful to the aged.

C.It should be something like learning gardening.

D.So take a few minutes each day to do some reading.E. But don't worry if your schedule isn't filled with life-changing events.

F. Luckily, research shows there is a lot you can do to avoid those moments.

G. In other words, when you take care of your body, you take care of your brain.

问答题