扛弧焊时的热源和填充焊丝（）。 A.分别控制 B.关联控制 C.可根据情况进和分别控

幼儿急疹的病原体是（）

A.腺病毒

B.埃可病毒

C.轮状病毒

D.柯萨奇病毒

E.人类疱疹病毒6型

原型化项目管理一般会涉及四方面的内容，而其中最复杂的问题应该是

A．过程估计

B．费用重新分配

C．变化控制

D．停止活动

完形填空（共20小题；每小题1 分，满分20分）

A few years ago I was at an international conference with nearly 700 participants. One afternoon I_1 a very crowded talk by a famous author. The hall filled quickly and soon there were no  2  left , so many dozens of people were standing around the edges.

I saw a very elderly man, stooped(驼背的) slightly with age,  3  against the wall. I immediately got up, told those sitting beside me to  4  the place for him and made my way to him. When I offered my seat to him , he looked  5   and started to refuse , but I would have   6  of that. He asked me my name and thanked me deeply, and then made his  7  back into my row and sat comfortably. Many people who  8  our exchange turned to say what a kind thing I had done. I kept saying , “it’s nothing  9  . I m from Canada, it’s normal for us to help other people!” 

A few minutes later, the man sitting next to the elderly man  10  to leave the hall for another talk and the elderly man   11  to me to return and sit beside him.   12  I resisted, thinking someone else might need it more, but people sitting around him started to repeat my  13 , asking me to come and sit! So I returned and sat beside the gentleman for the  14  .

when the talk was over ,the man thanked me again and  15  asked if I knew who he was . I had no idea. He then looked quite delighted and  16  me a household name that I recognized immediately!

I was astonished to have been sitting next to him,  17  he was excited to think I had given up my seat for him  18  knowing who he was! Again I had to tell him where I come from , and it’s the  19  thing to do! I have felt more blessed to be a Canadian since that day, for seeing how easy it is to  20  someone and how rare it seemed to so many people.

1. A. missed            B. gave           C. expected         D. attended

2. A. seats             B. rooms         C. topics           D. rows

3. A. turning            B. walking        C. leaning          D. lying

4. A. move             B. spare          C. take             D. hold

5. A. glad              B. satisfied        C. disappointed       D. surprised

6. A. nothing           B. none          C. something        D. anything

7. A. living           B. fortune          C. direction          D. way

8. A. witnessed        B. confirmed         C. remembered        D. experienced

9. A. easy            B. popular           C. special           D. funny

10. A. agreed          B. refused            C. chose            D. forgot

11. A. sent             B. signaled            C. rolled             D. said

12. A. At last           B. At least            C. At most           D. At first

13. A. action            B. name             C. dream            D. address

14. A. game            B. discussion          C. course           D. talk  

15. A. quietly           B. loudly.              C. proudly           D. angrily  

16. A. shared            B. told                C. asked             D. answered  

17. A. as if              B. even if             C. so                D .but  

18. A. by               B. without              C. through           D. after

19. A. strange           B. secret               C. normal            D. hard  

20. A. help              B. accept              C. praise            D. trust   

配股一般采取的发行方式为( )。

A．网下网上同时累计投标询价
B．上网定价发行与网上配售相结合
C．网上定价发行
D．上网竞价发行