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

题型:单项选择题

问题:

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.抑制基因

考点:临床执业医师生物化学基因表达调控
题型:单项选择题

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 ______.

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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.               

题型:单项选择题

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

题型:单项选择题

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

题型:单项选择题

《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?

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