吗啡的适应证是（） A.支气管哮喘和上呼吸道梗阻 B.急性心肌梗死引起的急性疼痛 C

颅前窝骨折

A．嗅觉障碍
B．吞咽困难
C．听力障碍
D．瞳孔变化
E．舌肌麻痹

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

接触网作业车运行中，（）关闭行车安全装备。

A.可以

B.严禁

C.禁止

—______ ?  

—It's Sunday. [ ]

A. What's day is it?

B. What day is it?  

C. What's the day is it?  

D. What the day is it?

确定弃船的时机，船长应考虑（）。

A.船员的健康

B.船员是否愿意

C.船舶的危险程度

D.水中有没有鲨鱼