问题 单项选择题 A1/A2型题

在行心脏黏液瘤摘除术时,不恰当的做法是()。

A.应明确肿瘤的部位

B.应在体外循环下切除

C.应用手指探查肿瘤的部位

D.分离肿瘤时要避免损伤瘤体

E.应彻底将瘤体连同蒂部附着的房间隔组织一并切除

答案

参考答案:C

解析:心脏黏液瘤一旦确诊应尽早手术,以免引起血流紊乱或肿瘤破碎栓塞。摘除术应在体外循环下施行,注意避免搬动心脏,也不要挤捏心脏或用手指探查,以免瘤体脱落造成栓塞。

阅读理解

You may feel curious (好奇的) about students in other countries: Do they also have so much homework? What do they do in their free time?

On April 8, a report came out on the lives of high school students in China, Japan, South Korea and the US. It surveyed around 6,200 students from the four countries last year. You will find the answers to many of your questions in this report.

Who studies hardest?

Chinese students spend the most time studying. Nearly half of Chinese students spend more than two hours on their homework every day. That’s much more than students of the US (26.4%), Japan (8.2%) and South Korea (5.2%).

Who sleeps most often in class?

Japanese students fall asleep in class most often. About 45% of them said they sometimes doze off in class. In South Korea, it’s 32%; in the US, 21%; and 5% in China.

South Korean students don’t like taking notes. About 70% said they write down what the teacher says in class, much fewer than in Japan (93%), China (90%) and the US (89%).

Who is the most distracted (分心的)?

American students are the most active in class, but also the most distracted: 64.2% said they chat with friends in class; 46.9% said they eat snacks in class; and 38.9% said they send e-mails or read unrelated (无关的) books in class.

What do they do after school?

In their free time, most Chinese students study or surf the Internet. Most American students hang out with their friends. Most Japanese students do physical exercises. Most Korean students watch TV.

小题1:The report is about ___________.

A.the countries

B.the subjects

C.the students’ lives

D.the high schools小题2:What country isn’t mentioned in the report?

A.The US

B.South Korea

C.Japan

D.India小题3: ______ of the Chinese students spend more than two hours on their homework.   

A.26.4%

B.8.2 %

C.5.2%

D.48.6%小题4:The phrase doze off means ______.

A.be half asleep

B.get up

C.eat snacks

D.send emails小题5:What of the following sentences is Not true?

A.The survey from the four countries was made last year.

B.Most Japanese students do physical exercises after school.

C.About half of the American students chat with friends in class.

D.The students in South Korean don’t like taking notes in class.

单项选择题