问题 单项选择题 A2型题

患者女性,12岁,心悸,气短,超声心动图诊断为左房黏液瘤,超声特点不包括()。

A.肿块可发生变形

B.肿块活动度大

C.肿块有蒂

D.肿块根部小

E.肿块无蒂

答案

参考答案:E

解析:左房黏液瘤二维超声特点包括左房内见大小不等、形态各异的异常回声团,柔顺度大,活动度大,随血流而动。黏液瘤蒂粗细不等,蒂的长度亦有很大差别,但一般都有蒂附着于房间隔、房壁或房室瓣上。

阅读理解

阅读短文,选择正确答案。

    This week, London will be full of celebrations to welcome the Year of the Rat. Every year, London 's

Chinatown holds the largest event outside of Asia to celebrate Chinese New Year.

    This year in the UK, there seems to be a huge number of interest in Chinese culture. For the third year

running,the "China in London" season is being held. It will run from February to April, when the Beijing

Olympic flame (奥运圣火) will pass through London. The "China in London" season will have a huge number

of events, from art shows to modern dances, film festivals to tea tastings.

    The main Chinese New Year celebration will be held on Sunday 10th February, and about 300,000 visitors are

expected to join in. Both traditional and modern Chinese arts will be shown by British-born and Chinese

performers (表演者). The main event of the day is the huge parade (游行) through the streets of London, led

by a traditional dragon dance, followed by musicians, artists and children. It wouldn't be Chinese New Year

without fireworks, so you will see fireworks all afternoon. Happy New Year to you! We hope you will enjoy

your celebrations as much as we will do in London.

1. The Chinese New Year celebration in London is _______. [ ]

A. held every year

B. the largest one in the world

C. held every three years

D. held for the Beijing Olympics

2. How long does the "China in London" season last? [ ]

A. For three years.

B. For one year.

C. For three months.

D. For one week.

3. Which event will be held in London's Chinatown on Sunday 10th February? [ ]

A. Coffee tastings.

B. A modern dragon dance.

C. A huge parade.

D. British art shows.

4. From the passage we can know that _______. [ ]

A. the "China in Iρndon" season is held for the first time

B. people in the UK are a bit interested in Chinese culture

C. the firework is the only symbol of the Chinese New Year

D. the writer will join in the celebrations in London

5. Which is the best title (标题) of the article? [ ]

A. Chinatown in London

B. Waiting for the Olympic Flame in London

C. Chinese Culture in London

D. Welcoming the Year of the Rat in London

报关编码