问题 单项选择题

喉部常规扫描时,要求受检者()

A.吸气后屏气扫描

B.呼气后屏气扫描

C.平静呼吸状态扫描

D.发"依"音的情况下扫描

E.鼓气状态下扫描

答案

参考答案:C

解析:非特殊要求下,喉部常规CT扫描时,受检者应处于平静呼吸状态。原因在于,气道通畅,声带处于外展状态。为重点显示喉室、梨状窝或声门下气管时,可采取相应的呼吸动作。发"依"音扫描,有助于显示声带麻痹。

阅读理解

It’s Friday evening. My daughters, 3 and 9, sigh(叹息) when I gently take the iPads away from their laps. One by one, our screens are turned off. We light the candles and sit down to have a big meal.

Most people in our lives know they will not be able to contact us by using computer or moblie  phones for 24 hours. And so it has gone, every week for three years. We call it our “Technology Shabbat(科技安息日)" which lasts from sunset on Friday to sunset on Saturday.

I first understood the importance of disconnecting in 2008, when my father was told that he

had got brain cancer. Some days he would have ony one good hour, and I wasn’t willing to be disturbed when I was with him, so I’d turn off my mobile phone.

Soon after, encouraged by National Day of Unplugging(全国断网断电日) on March 1st, my husband and I decided to unplug for one full day every week.

During our “Technology Shabbats”, time slows. Our Saturdays now feel like mini-vacations. We drive our car or ride our bike. We, with our kids, work in the garden, play board games and cook meals. I feel more balanced. I feel like a better mother, wife and person.

Keeping a balance between the good and the bad of technology is my lasting state. The technology we’ve created makes it possible for us to share knowledge and take in carious ideas all over the world. But the technology also take something away from us. When we stay up late at night linking(连接) from website to website or sending messages or e-mailing, we click again, and again, and again until we’ve overloaded(超负荷的).

When we rush into the time full of high technology, it's necessary for us to pay attention to what we are doing online and when we should go off.

I will always remember the most important thing in my family: “Technology Shabbat".

小题1: When is “Techtwhgy Shabbat' in the writer's family?

A.Only on Sunday.

B.From sunset on Friday to sunset on Saturday.

C.Only on Friday.

D.From sunset on Saturday to sunset on Sunday.小题2: The writer's family have “Technology Shabbat" every week mainly becausc they hope to ______.

A.save energy

B.enjoy life together

C.stay away from others

D.follow National Day of Unplugging小题3: What do the writers family NOT do during their “Technology Shubbats”?

A.They drive their car or ride bikes for mini-vacations.

B.They light the candles and sit down to have a big meal.

C.They work in the garden, play board games and cook meals.

D.They stay up late at night linking from website to website.

问答题 简答题