参与操纵子正调控的蛋白质因子 A．辅阻遏蛋白 B．TFⅡB C．CAP D．乳糖 E

关于x的一元二次方程（a-1）x²+x+a²-1=0的一个根是0，则另一根是 ______．

阅读理解填词。先阅读短文，然后在短文后1-10小题空白处写出各单词的正确形式，单词的第一个字母

已给出。

    Last spring I was walking in a park. In front of me there was a mum and her 3-year-old daughter. The little

girl was holding a string (线), which had a balloon at the other e    1    . 

    All of a sudden, a l    2      wind took the balloon from the little girl. I thought she would cry.

    But, no! As the little girl turned to watch her balloon rise to the s    3    , she cheerfully shouted out, "Wow!"

    That little girl t    4     me something. Later that day, I received a phone call from my friend, he told me an

unexpected problem. I felt annoyed r   5     with "Oh no, what should we do?" But remembering that little girl, I

found m    6     saying: "Wow, that is interesting! How can I help you?" 

    One thing is for sure-life is always going to make us f   7     unexpected problems. However, how to deal

with them is our choice. We can choose to be annoyed or i   8    .

    No matter what the situation is, a "Wow!" will always b    9     "Oh, no."

    So the next time you meet one of life's unexpected g   10    , remember that little girl and make it a "Wow!"

experience. The "Wow!" always works.

1.                    2.                    3.                   4.                  5.                

6.                    7.                    8.                   9.                  10.               

急性阑尾炎早期腹痛多位于上腹部和脐周，是因为

A．内脏功能紊乱

B．胃肠道反射痉挛

C．内脏神经反射

D．合并急性胃肠炎

E．腹膜炎刺激

法的调整范围与道德的调整范围( )。

A．完全一致

B．完全不一致

C．道德调整的范围小于法律调整的范围

D．不完全一致

《钢规》5．1．5条，只规定了填板间的距离，请问，该距离是净距还是中至中的距离？另外，填板的构造尺寸如何？在徐建的习题集里面有一道题（题3-74），其中假设了填板宽60mm。还有题3-79假设填板宽度100mm。不知道根据什么取值的？