问题 多项选择题

下列有关前列腺癌诊断,描述正确的是().

A.血清磷酸水平升高,提示肿瘤有外侵或转移可能

B.血清前列腺抗体测定有利于前列腺癌早期诊断

C.CT易显示肿瘤外侵(Ⅲ期以上)

D.Ⅰ期前列腺癌CT诊断困难

E.Ⅱ期前列腺癌CT易显示被膜浸润

答案

参考答案:A, B, C, D

解析:Ⅱ期前列腺癌CT不易显示被膜浸润,只有当前列腺癌突破被膜向外伸展,形成前列腺轮廓改变时,CT诊断较容易。

阅读理解

阅读理解。

     Many people invented toys. Most of them were kids. Kids are better than adults at inventing toys. They

can use everything to make toys.

     But sometimes adults can make the old ones more popular. For example, People first played yo-yos in

ancient (古代的) Greece. About two hundred years ago they became very popular with children, first in

England and then in the United States. Later people didn't like them, In 1928, Donald Duncan went into the

yo-yo business. He had some "Yo-yo men" and let them go door to door selling yo-yos. Soon more and more

people began to play yo-yos. Today the name Duncan still goes with yo-yo.

     People named teddy bears after Teddy Roosevelt, a president of the United States. But he didn't invent

teddy bears. People play crayons (蜡笔) many years ago. Edwin Binney and Harold C. Smith decided to

make them in some colors and sell them to schools. Kids enjoyed using them very much.

1. This article is about _______.

A. yo-yos

B. toys

C. kids

D. American history

2. Who invented yo-yos?

A. The ancient Greeks.

B. Harold C. Smith

C. A man named YO YO

D. A child of two hundred years ago

3. The name Duncan still goes with yo-yo today because Duncan _______.

A. was a yo-yo man

B. made yo-yos popular again

C. liked playing yo-yos

D. invented yo-yos

4. Whom id Edwin Binney sell crayons to?

A. School kids

B. Businessmen

C. Workers

D. Teachers'

5. Which of the following is TRUE?

A. Adults usually do better than Kid in making toys

B. In 1928,Yo-yo became popular with children first in America, and then in England

C. The US president, Teddy Roosevelt invented teddy bears

D. Edwin and Harold sold crayons to school children

单项选择题