试题与答案

下列哪个氨基酸不是碱性氨基酸()。A.组氨酸 B.蛋氨酸 C.精氨酸 D.赖氨酸

题型:单项选择题

题目:

下列哪个氨基酸不是碱性氨基酸()。

A.组氨酸

B.蛋氨酸

C.精氨酸

D.赖氨酸

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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题型:选择题

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A Love Note to My Mom
When I was a little girl,I would often accompany you as you modeled for fashion photographers. It was years later that I finally understood what role modeling__21__  in your life. Little did I know you were_22__  every penny you earned to go to__23__ school.
I cannot thank you enough for__24__ you told me one autumn afternoon when I was nine. After finishing my homework, I wandered into the dining room where you were buried__25__ piles of law books. I was  __26__.Why were you doing what I do—memorizing textbooks and studying for__27__? When you said you were in law school, I was more puzzled. I didn’ t know Moms__28__be lawyers too. You smiled and said,“In life, you can do anything you want to do.”
As young as I was,that statement kept___29__ in my ears. I watched as you faced the___30_of completing your studies, starting companies with Dad, while still being a_31__ and a Mom of five kids. I was exhausted  just watching you__32__.With your words of wisdom in my__33__mind, I suddenly felt unlimited freedom to dream. My whole world__34__.I set out to live my life filled with__35__,seeing endless possibilities for personal and professional achievements.
Your words became my motto. I__36__found myself in the unique position of being either the first (woman doctor in Maryland Rotary) __37__one of the few women (chief medical reporters) in my field. I gained strength every time I said, “Yes, I’ ll try that.”
Encouraged by your__38___, I have forged ahead (毅然前行) with my life’ s journey, less afraid to make mistakes, and__39__meeting each challenge. You did it, and now I’ m__40__ it. Sorry, got to run. So much to do, so many dreams to live.
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