促胃液素的生理作用有()A．刺激胃黏膜细胞增殖 B．刺激壁细胞分泌盐酸 C．抑制主细

An elderly carpenter was ready to retire. He told his employer of his plans to  1  the house-building business to live a more  2  life with his wife and  3  his extended family. He would miss the paycheck（工资）each week, but he wanted to retire. They could  4 . 

The employer was  5  to see his good worker go and asked if he could build just one more house as a personal favor. The carpenter said yes,  6  over time it was easy to see that his heart was not in his work. He used bad workmanship and  7  materials. It was an unfortunate way to  8  a dedicated（献身的）career.

When the carpenter finished  his work, his employer came to  9 the house. Then he handed the front-door  10  to the carpenter and said, “This is your house... my  11  to you.”

The carpenter was shocked!

What a  12 ! If he had only known he was building his own house, he would have done it all so differently.

13  it is with us. We build our lives, a day at a time, often putting  14  than our best into the building. Then, with a shock, we  15  we have to live in the house we have built. If we could do it over, we would do it much differently.

But, you cannot  16 . You are the carpenter, and every day you hammer a nail, place a board, or build a wall. Someone  17  said, “Life is a do-it-yourself project.” Your  18 ,  and the choices you  19  today, help build the “house” you will live in tomorrow. Therefore, build  20 !

1. A. continue        B. start      C. leave        D. find      

2. A. leisurely       B. lonely     C. orderly     D. friendly        3. A support          B. share         C. enjoy       D. care          4. A. go off         B. get by     C. pass on     D. work away      5. A. polite           B. nervous     C. proud       D. sorry        

6. A. but            B. while      C. which        D. before          7. A. perfect        B. inferior   C. superior    D. tough           8. A. satisfy          B. improve     C. meet        D. end            

9. A. buy           B. repair     C. inspect         D. sell            10. A. roof           B. window      C. key            D. design       11. A. gift           B. promise     C. salary        D. words   

12. A. disappointment   B. shame      C. pleasure        D. success      13. A. So            B. Yet        C. As             D. Such         14. A. worse            B. more        C. rather         D. less        15. A. realize         B. explain      C. think           D. admit        16. A. step forward     B. go back      C. come out        D. look around

慢性支气管炎最重要的病因是（）

A.过敏因素

B.环境污染

C.长期吸烟

D.气候因素

E.真菌感染

孕期使用雄激素可致()

A．真两性畸形

B．男性假两性畸形

C．女性假两性畸形

D．不会致畸

E．生殖腺发育异常

审计部门对预算外资金进行审计所适用的方法不包括( )。

A．经常性审计

B．定期审计

C．专项审计

D．随机审计

班轮运输的作用主要有哪些？