男性，50岁，饱食2小时后上腹持续性胀痛，并渐加重。患者辗转不安，伴恶心，无呕吐，肌

（1+2x）⁶的展开式中x⁴的系数是______．

A Strange Greeting, a True Feeling Last week I was invited to a doctor’s meeting at the Ruth hospital for incurables. In one of the wards a patient, an old man, got up shakily from his bed and moved towards me. I could see that he hadn't long to   1  , but he came up to me and placed his right foot close mine on the floor.

“Frank！” I cried in astonishment. He couldn’t   2 , as I knew, but all the time   3  his foot against mine.

My   4  raced back more than thirty years to the   5  days of 1941, when I was a student in London. The   6  was an air-raid shelter, in which I and about hundred other people slept every night. Two of the regulars were Mrs. West and her son Frank.

  7  wartime problems, we shelter-dwellers got to   8  each other very well. Frank West   9  me because he wasn’t   10 , not even at birth. His mother told me he was 37 then, but he had   11  of a mind than a baby has. His “  12 ” consisted of rough sounds——sounds of pleasure or anger and   13  more. Mrs. West, then about 75, was a strong, capable woman, as she had to be, of course, because Frank   14  on her entirely. He needed all the   15  of a baby.

One night a policeman came and told Mrs. West that her house had been flattened by a 500-pounder. She   16  nearly everything she owned.

When that sort of thing happened, the rest of us helped the   17  ones. So before we   18  that morning, I stood beside Frank and   19  my right foot against his. They were about the same size. That night, then, I took a pair of shoes to the shelter for frank. But as soon as he saw me he came running and placed his right foot against mine. After that, his   20  to me was always the same.

1. A. work               B. stay                    C. live                        D. expect

2. A. answer              B. speak                  C. smile                     D. laugh

3. A. covering            B. moving               C. fighting                  D. pressing

4. A. minds               B. memories            C. thoughts                 D. brains

5. A. better                B. dark                    C. younger                D. old

6. A. cave                B. place                   C. sight                      D. scene

7. A. Discussing      B. Solving              C. Sharing                D. Suffering

8. A. learn from      B. talk to                C. help                     D. know

9. A. needed            B. recognized           C. interested              D. encouraged

10. A. normal        B. common             C. unusual                D. quick

11. A. more             B. worse                  C. fewer                     D. less

12. A. word             B. speech                 C. sentence               D. language

13. A. not                B. no                      C. something             D. nothing

14. A. fed                B. kept                    C. lived                      D. depended

15. A. attention       B. control                C. treatment              D. management

16. A. lost               B. needed                C. destroyed              D. left

17. A. troublesome  B. unlucky                C. angry                     D. unpopular

18. A. separated     B. went                    C. reunited                D. returned

19. A. pushed       B. tried                    C. showed                 D. measured

20. A. nodding       B. greeting               C. meeting                D. acting

司机在作业时遇到拖车背的箱子与指令不符时，应（）。

A、用喊话器喊走

B、先确认指令再通知中控

C、无所谓

D、停止作业、联系中控

进程是操作系统中一个重要的概念。下列有关进程的叙述中，错误的是：

A． 进程是指程序处于一个执行环境中在一个数据集上的运行过程

B． 系统资源的分配主要是按进程进行的

C． 进程在执行过程中通常会不断地在就绪、运行和阻塞这3种状态之间进行转换

D． 在Windows 98中，所有的进程均在各自的虚拟机中进行，即进程的数目等于虚拟机的数目

胸部CR摄影时为显示被肋骨遮蔽而观察不到的肺部病变，应选用哪种后处理方法（）

A.灰阶处理

B.窗位处理

C.时间减影法

D.能量减影法

E.放大摄影