问题 单项选择题 A1型题

下列关于肿瘤细胞分化描述正确的是()

A.高分化细胞接近正常,恶性程度低

B.未分化细胞核分裂较少,恶性程度高

C.高分化细胞核分裂较多,恶性程度高

D.未分化细胞接近正常,恶性程度低

E.高分化细胞核分裂较多,恶性程度中等

答案

参考答案:A

解析:依据恶性肿瘤的分化程度,分为高分化、中分化和低分化三类。高分化细胞接近正常,恶性程度低;未分化细胞核分裂象较多,恶性程度高,预后差;中分化的恶性程度介于两者之间。

阅读理解

Once there lived an old man in a town. He always forgot a lot of things. So his wife always had to say to him,“Don’t forget this.”

One day he went on a long way alone. Before he left home,his wife said,“Now you have all these things. You need them on your way. Take care of your things on the way.” He went to the station. He bought a ticket and got on the train with it.

About an hour later,the conductor began to see the tickets. He came to the old man and said,“Will you please show me your ticket?” The old man looked for his ticket in all his pockets but he could not find it. He was very worried.“I can’t find my ticket. I really bought a ticket before I got on the train ”said the old man.

“I think you are right. I believe you bought a ticket. All right,you don’t have to buy another ticket ”said the conductor kindly. But the old man still(仍然) looked worried and said sadly,“You don’t know why I’m worried. If I don’t find my ticket,I can’t remember my station. Where am I going? ”

小题1:The old man bought a ticket _______.

A.after he got on the train

B.before he got on the train

C.when the conductor told him to buy one

D.when he found he had no ticket with him小题2:About an hour later,the conductor began _______.

A.to buy the tickets   

B.to look for the tickets

C.to check(检查) the tickets 

D.to show the tickets小题3: The conductor told the old man that he didn’t need to buy another ticket because _________.

A.the man was very old

B.he thought the old man had no money with him

C.the old man showed him the ticket

D.he believed the old man小题4:The old man still looked worried because _________.

A.he couldn’t get on the train.

B.he lost his ticket and a lot of money

C.he thought his wife would get angry with him

D.he forgot where he was going小题5:Which of the following(下列) is right?

A.The old man went on the trip with his wife

B.The old man didn’t find his ticket

C.The conductor was also an old man

D.The old man had to buy another ticket

单项选择题