对于摩擦桩入土深度的控制，下面说法正确的是（） A.以标高为主_爱下问搜题

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问题单项选择题

对于摩擦桩入土深度的控制，下面说法正确的是（）

A.以标高为主，贯入度作参考

B.以贯入度为主，标高作参考

C.以最后10击的入土深度作参考

D.以上说法均不正确

答案

参考答案：A

完形填空

Around twenty years ago I was living in York.      I had a lot of experience and a Master’s degree, I could not find      work.
I was     a school bus to make ends meet and     with a friend of mine, for I had lost my flat. I had      five interviews with a company and one day between bus runs they called to say I did not     the job. “Why has my life become so    ?” I thought painfully.
As I pulled the bus over to      a little girl, she handed me an earring     I should keep it     somebody claimed it. The earring was painted black and said “BE HAPPY”.
At first I got angry. Then it      me – I had been giving all of my     to what was going wrong with my      rather than what was right! I decided then and there to make a    of fifty things I was happy with. Later, I decided to     more things to the list. That night there was a phone call for    from a lady who was a director at a large      . She asked me if I would      a one –day lecture on stress management to 200 medical workers. I said yes.
My      there went very well, and before long I got a well-paid job. To this day I know it was because I changed my way of      that I completely changed my life.

A．prepared for

C．experiences

B．a passenger

单项选择题

咖啡因可发生紫脲酸胺反应的结构基础是

A．游离的芳伯氨基
B．吡啶
C．黄嘌呤
D．苯基
E．杂环