问题 单项选择题 A型题

关于眼眶肿瘤,下列错误的是()。

A.良性肿瘤膨胀性生长,有包膜

B.良性肿瘤多呈圆形和椭圆形

C.良性肿瘤边缘清楚,锐利,可见肿瘤晕

D.恶性肿瘤浸润性生长,有包膜

E.恶性肿瘤形态不规则,边界不清楚

答案

参考答案:D

解析:恶性肿瘤多为浸润性生长,一般无明显包膜。

单项选择题 B型题
阅读理解

阅读理解。

     Two friends were waiting at the bus-stop for the last bus but they were afraid that they had missed it.

There were no cars passing by and not a single public telephone nearby to call for a taxi. They began to

feel nervous. It was already late. What could they do to get home?

     Then, as they looked up, they saw a bus approaching them slowly. The last bus! They had not missed

it after all.

     When the bus stopped at the bus-stop, the two young boys rushed up the bus in relief. Then, the bus

started moving. Only after a few minutes did the boys realize that something was seriously wrong.

     Firstly, the bus was moving far too slowly. Secondly, there was no conductor to collect their fare.

Thirdly, when they went to the front of the bus to check, there was no driver!

     With their hair standing on ends, they looked at each other with eyes wide open and started to scream.

     Then the bus stopped! The driver and the conductor appeared from behind the bus. They had been

pushing it!

1. Why did the two friends feel nervous?

A. It was very late at night.

B. They had missed the last bus.

C. They knew the last bus could not come.

D. There seemed to be no way for them to get home.

2. What can we learn from the underlined part in the 5th paragraph?

A. The boys were very frightened.

B. The boys' hair was falling down.

C. The boys felt extremely excited.

D. The boys were wearing strange hair styles.

3. The bus was moving very slowly because _____.

A. the driver was absent

B. it was running out of petrol

C. it was being pushed along by two people

D. the two boys had not paid for their tickets