患者女，35岁。反复上腹痛2年，近一周出现夜间痛，进食可缓解，一小时前突发上腹部持续

不属于连续波多普勒调节方法的为（）。

A.取样容积

B.零位基线

C.速度标尺

D.超声波入射角度

E.频谱信号正负翻转

第二节：完形填空（共20小题；每小题1.5分，满分30分）

阅读下面短文，掌握其大意，然后从16-35各题所给的四个选项（A、B、C和D）中，选出最佳选项。

I still remember the day I was driving to the supermarket I own. When I came out, I found a boy 16 my car with a brush. I went over and patted (拍) him 17 the shoulder, which surprised him very much. In no time he began to 18 at me, so I was sure he   19 some money. From the shoes he was wearing I could hardly imagine how 20 he was. So I offered him a $100 bill. To my great surprise, he 21 to take it. When I was wondering what he was doing, he said, “I was waiting here for 4 hours, waiting for you. Your 22 is so beautiful and I like it, but I don’t need that.” I knew he was mentioning the 23.

As he had refused the money, I offered to drive him around the town. The boy became so 24 that he got into the car at once, “Would you please drive me 25? It is only about 3 miles.” What the boy wanted to do was to show off to his friends and his family.

26 I stopped, he jumped out and ran into an old building, telling me to wait there for some time. Very soon he came out, saying to a little girl on his back, “Look at this beautiful car. I will buy you 27 some day.”

I noticed his sister had a pale (苍白的) face. 28, her legs were too thin, and she was unable to 29. 

After that day I went to his home several times. And I got to know more about him and his 30. Poor as they were, the boy 31 refused my money, and said, “I can   32 money by myself, thank you.”

Soon I 33 my manager of the supermarket that a boy would go to 34 here the next day.

No matter how poor we are, we would 35 give in (屈服) to ourselves.

16. A. repairing             B. cleaning         C. fixing            D. hitting

17. A. over               B. off              C. in                  D. on

18. A. shout                B. cry                     C. smile                D. throw

19. A. lost               B. got                     C. received             D. needed

20. A. rich              B. poor            C. handsome              D. brave

21. A. begged           B. agreed           C. allowed           D. refused

22. A. car               B. shoes             C. suitcase           D. clothes

23. A. box              B. wheel            C. paper                D. bill

24. A. unhappy             B. scared         C. excited                 D. unfriendly

25. A. yard          B. office                  C. school            D. home

26. A. As soon as       B. As long as       C. As well as          D. So far as

27. A. one              B. it                  C. this                 D. that

28. A. So                B. However         C. What’s worse             D. In general

29. A. run              B. jump            C. climb                 D. walk

30. A. brother       B. family            C. friend            D. boss

31. A. no longer           B. at last          C. at first                   D. once again

32. A. spend             B. save                 C. make               D. borrow

33. A. told          B. asked            C. answered          D. warned

34. A. shop         B. work             C. sleep                   D. buy

35. A. always       B. often             C. ever                D. never

办理保付加签业务的汇票付款期限一般不得超过（）。

A.90天（不含）

B.90天（含）

C.360天（不含）

D.360天（含）

制备胶剂时，用切胶机将凝胶切成一定规格的小片的过程俗称（）。

下列化学结构的药物名称是（）

A.戊巴比妥

B.异戊巴比妥

C.司可巴比妥

D.硫喷妥钠

E.苯巴比妥