患者女性，67岁，心脏听诊可闻及重叠型奔马律，该患者可能是A．完全性房室传导阻滞 B

关于肝腺瘤错误的是（）

A.肝腺瘤常有包膜，与周围组织界限清楚，一般呈圆形

B.主要由肝细胞构成，不具有正常肝小叶结构

C.结构内可有胆管，易出血

D.多见于青壮年妇女，与长期服用避孕药有关

E.临床上可无任何表现

一亿有______个一千万．2升30毫升=______毫升．

系统响应时间和作业吞吐量是衡量计算机系统性能的重要指标。对于一个持续处理业务的系统而言，其 (7) 。

A．响应时间越短，作业吞吐量越小
B．响应时间越短，作业吞吐量越大
C．响应时间越长，作业吞吐量越大
D．响应时间不会影响作业吞吐量

It was a cold winter day that Sunday. The parking lot to the  16  was filling up quickly. I noticed, as I got out of my car, fellow church members were  17  among themselves as they walked in the church. As I got 18__, I saw a man leaning up against the wall outside the church. He was almost lying down 19  he was asleep. His hat was 20 down so you could not see his face. He wore shoes that looked 30 years old, too 21  for his feet, with holes all over them and his toes 22  out. I guessed this man was  23  and asleep, so I walked on  24 through the doors of the church. We all talked for a few minutes, and someone  25 the man lying outside. People whispered but no one took 26  to ask him to come in, 27  me. A few moments later church began. We were all waiting for the Preacher (牧师) to take his  28  and to give us the Word, __29  the doors to the church opened. In 30 the man walking down the church with his head down. People gasped（喘息）and whispered and made _31  . He made his way down the church and up onto the pulpit (讲坛) where he took off his hat and coat. My heart 32  .

There stood our preacher… he was the “homeless man”. The preacher took his Bible (圣经) and 33  it on his stand.

“ 34 , I don't think I have to tell you what I am preaching about today. If you  35  people by their appearance, you have no time to love them.”

16.   A. school               B. lecture               C. park           D. church

17.   A. arguing             B. whispering     C. stating         D. speaking

18.   A. closer               B. clearer               C. lower         D. farther

19.   A. even though      B. so that          C. as if           D. even if

20.   A. dragged            B. pulled         C. dropped         D. pushed

21.   A. big                   B. bad                   C. ugly                  D. small

22.   A. reached             B. went                 C. stuck                 D. ran

23.   A. homeless           B. helpless             C. hopeless            D. careless

24.   A. out                   B. by                    C. across               D. from

25.   A. invited                     B. mentioned         C. took                  D. called

26.   A. pleasure            B. measure            C. courage             D. trouble

27.   A. except               B. besides              C. without             D. including

28.   A. turn                  B. place.                C. time                  D. seat

29.   A. when                B. before               C. as                     D. after

30.   A. rushed                     B. hurried              C. came                 D. entered

31.   A. decision            B. choices              C. faces                 D. jokes

32.   A. sank                 B. fell                   C. broke                D. failed

33.   A. threw                B. set                    C. laid                   D. folded

34.   A. Brothers            B. Folks                C. Supporters         D. Members

35.   A. judge                B. hate                  C. treat                  D. test

什么叫反射系数？什么叫反射衰耗？