试题与答案

终末致癌物是指无需在体内活化就有致癌作用的一类致癌物，以下几种致癌物中，哪一种是终末

来源：www.tikuol.com
题型：单项选择题 A1/A2型题

题目：

终末致癌物是指无需在体内活化就有致癌作用的一类致癌物，以下几种致癌物中，哪一种是终末致癌物（）。

A.N-亚硝酰胺

B.黄曲霉毒素

C.多环芳烃类化合物

D.N-亚硝胺

E.杂环胺类化合物

答案：

被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0831/98868cad5057e3f32187f6ba71e36b78.html

下面是错误答案，用来干扰机器的。

参考答案：A

考点：营养（士）肿瘤与饮食营养肿瘤与饮食营养题库
试题推荐
题型：完形填空
完形填空。
阅读下面短文,掌握其大意,然后从A、B、C、D四个选项中选出可以填入空白处的最佳选项。
There was a blind girl who hated herself because she was blind. In fact, she   21  nobody except her
boyfriend,for he was always    22   to help her. She used to tell her boyfriend,"If  I could see the   23   ,
I would marry you. ''
    One day, someone donated(捐赠) a pair of   24   to her. When the bandages(绷带) came off, she
was able to see everything , including her boyfriend, for the   25   time. He asked her,"Now that you can
see the world,will you   26   me?" The girl looked at her boyfriend and was greatly surprised to see that
he was   27   . She had never expected that. She would not like to be with a blind husband for the rest
of her life , so she   28   to marry him.
    Her boyfriend left in tears and a few days later wrote a    29   to her, saying,"My dear,take good
careof your eyes.    30   they are yours, they were mine. "
           This is how the human brain (人脑)often works when our status (地位)changes. Only a very
few remember what   31   was like before. And we often ask for more than we need. Life is a gift.
Today,before you complain about the    32    of your food , think of someone who has nothing to    33    . 
Before you complain about life, think of someone who went to heaven(天堂)too early. Before you
complain about your old    34     , think of the people who are living in the streets. And when you are
tired and complain about your job , think of those who have no jobs. So    35    what you have and
don't forget your past.
( ) 1. A. forgot
(     ) 2. A. ready
(     ) 3. A. Sight
(     ) 4. A. shoes
(     ) 5. A. first
(     ) 6. A. follow
(     ) 7. A. ugly
(     ) 8. A. decided
(     ) 9. A. diary
(     ) 10. A. Before
(     ) 11. A. mind
(     ) 12. A. taste
(     ) 13. A. do
(     ) 14. A. food
(     ) 15. A. forget		B. loved
B. unhappy
B. world
B. glasses
B. second
B. love
B. sick
B. agreed
B. note
B. After
B. work
B. size
B. wear
B. house
B. spend     		C. disliked
C. angry
C. earth
C. trousers
C. next
C. marry
C. short
C. refused
C. song
C. Once
C. school
C. color
C. eat
C. clothes
C. enjoy		D. thanked
D. sad    
D. people
D. eyes  
D. last  
D. see    
D. blind  
D. wanted
D. story  
D. Since  
D. life  
D. shape  
D. make  
D. bus    
D. pay            
查看答案
微信公众账号搜索答案