尿淀粉酶常在急性胰腺炎发作几小时开始升高（） A.2～6小时 B.2～12小时 C.

阅读理解。

     A teacher asks his students to write about their dreams.  One boy writes seven pages.  He wants his

 own farm and a large house on it.

    But his teacher tells him, "You are daydreaming.  Do it again. "

    Several days later the boy hands in the same article.  "I don't want to give up my dream even if you fail

 me. "

    Years later, he makes his dream come true. One day, the same teacher takes some students to the boy's

  farm for camping.  Seeing the big farm, the teacher feels sorry:   "I once told you not to daydream.  

 Luckily, you never gave up. "

1.  The teacher asks his students to _____.

    A.  dream  

    B.  write about dreams 

    C.  tell stories about dreams

2.  What does the underlined sentence mean?

    A.  Your dream will never come true. 

    B.  You're sleeping. 

    C.  Your article is pretty good.

3.  The second time, the boy hands in the same article because he _____.

    A.  wants to make his teacher angry

    B.  doesn't know how to write

    C.  won't give up his dreams

4.  After many years, the boy _____.

A.  is still daydreaming

      B.  owns a big farm

      C.  loses his life

5.  We can tell from the story that _____.

    A.  dreaming is not good 

    B.  your dream may come true if you don't give up

    C.  daydreaming can make you rich

距前正中线旁开6寸的腧穴是（）

A.云门

B.天池

C.不容

D.俞府

E.大横

Don't forget _____ your ruler with you when you come next time.           [ ]

A. to take                    

B. to bring

C. to carry                   

D. to fetch

在2水平4因子的全因子试验中，通过统计分析只发现因子C及交互作用A*B是显著的，而A、B、D均不显著，则回归模型中应至少包括（）

A.因子C及交互作用A*B

B.因子A、B、C及交互作用A*B

C.因子A、B、C及交互作用A*B、A*C、B*C

D.以上都不对