As the chairman is absent, we have no ch

发布时间：2017-05-25 15:41 │ 来源：www.tikuol.com

题型：选择题

问题：

As the chairman is absent, we have no choice but to ______ the meeting.

[ ]

A. take off
B. put off
C. set off
D. keep off

g

考点：动词短语

题型：选择题

关于现况调查，正确的论述是

A．在某一较短的特定时间内一次性调查接触职业性有害因素者的健康状况，并与不接触者进行比较，以研究接触与健康损害的关系

B．其缺点是不能进行时间上因果关系的分析

C．适合研究罕见的、病程短的职业性病损

D．解释患病率资料要谨慎

E．可不考虑健康工人效应

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题型：选择题

新奥法施工中加设锚杆可以提高( )。

A．衬砌的承载能力

B．原岩体的岩体强度

C．衬砌的抗变形能力

D．防水能力

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题型：选择题

完形填空。

                                                       Introduction to Letters to Sam
Dear Reader,
     Please allow me to tell you something before you read this book. When my   1 , Sam, was born, my heart
was filled with joy. I had been sitting in a wheelchair for 20 years before then, and I have been   2   ill many
times. So I wondered if I would have the   3   to tell Sam what I had   4 .
     For years I have been hosting a program on the   5   and writing articles for a magazine. Being   6   to move
freely, I have learned to sit still and keep my heart   7 , exchanging thoughts with thousands of listeners and   8  .
So when Sam was born, I   9   to tell him about school and friendship, romance and work, love and everything
else. That's how I started to write these  10 . I hope that Sam would  11  them sooner or later.
     However, that expectation  12  when Sam showed signs of autism (自闭症) at the age of two. He had actually
stopped talking before the discovery of the signs. He  13  to communicate with others, even the family members.
That was  14  for me but didn't stop me writing on. I realized that I had even  15  now to tell him. I wanted him
to  16  what it means to be "different" from others, and learn how to fight against the misfortune he'll  17  as I
myself, his grandfather, did. I just  18  if I could write all that I wanted to say in the rest of my life.
     Now,  19  the book has been published, I have been given the chance. Every chapter in the book is a letter to
Sam: some about my life, and all about what it means to be a  20 .
                                                                                                                                        Daniel Gottlieb

( )1. A. son
( )2. A. seriously
( )3. A. ability
( )4. A. written
( )5. A. radio
( )6. A. ready
( )7. A. warm
( )8. A. hosts
( )9. A. began
( )10. A. letters
( )11. A. find
( )12. A. developed
( )13. A. tried
( )14. A. exciting
( )15. A. less
( )16. A. understand
( )17. A. fear
( )18. A. felt
( )19. A. as
( )20. A. teacher

B. nephew
B. mentally
B. time
B. suffered
B. television
B. unable
B. broken
B. visitors
B. stopped
B. emails
B. read
B. disappeared
B. refused
B. acceptable
B. everything
B. explain
B. face
B. guessed
B. once
B. child

C. brother
C. slightly
C. courage
C. observed
C. stage
C. anxious
C. closed
C. readers
C. forgot
C. books
C. collect
C. changed
C. regretted
C. strange
C. more
C. believe
C. know
C. saw
C. though
C. man

D. grandson
D. quietly
D. responsibility
D. lost
D. bed
D. eager
D. open
D. reporters
D. decided
D. diaries
D. keep
D. arrived
D. hoped
D. heartbreaking
D. nothing
D. question
D. cause
D. doubted
D. if
D. writer

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题型：选择题

烟囱的作用是什么？

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题型：选择题

一个主茎18叶，伸长节间6个的品种，分蘖始期叶龄期为4叶期、有效分蘖临界叶龄期为12叶期，拔节叶龄期为15叶期，穗分化始期为（）叶期。（务请注意顺数叶龄期与倒数叶龄期之间的关系）。

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