Unit4
1. Every day, the news, government reports and scientific studies _____to the increasing consequences of population change.
    A. verify  B. testify    C. justify    D. prove
2. This agreement will  ______ the newspapers from government interference.
    A. safeguard    B. prevent    C. guard    D. avoid
3. If you don’t complete the work according to the contract, I will ______you for damages.
    A. accuse  B . charge    C. sue  D. complain
4. The women were able to equal or _____the men who worked beside them.
    A. surpass    B. exceed    C. overtake    D. lagged
5. Financial worries gradually _____his health and he was obliged to retire early.oracle partition by range
    A. undermined    B. disabled    C. exhausted    D. invalidated
6. Once the vice-chancellor B of a university is ____, he begins his term of office.
A. launched  B. commenced C. inaugurated  D. initiated
7. Your latest project has little ____ of success.
A. prediction  B. prophecy  C. prospect  D. preview
8. The chief reason for the population growth isn't so much a rise in birth rates  ＿a fall in death rates as a result of improvements in medical care.
A. and  B . or  C. but  D. as
9. This is an exciting area of study, and one＿new applications are being discovered almost daily.
A. from which  B. by what  C. in which  D. through what
10. Focused training will also play a role in enabling records＿broken.
A. be  B. to be  C. being    D. to have been
11. It was a ____ case so he was not sent to prison.
    A. criminal    B. national      C. racial    D. civil
12. He scarcely knew a word of English, _____?
  A. didn’t he  B. did he    C. doesn’t he  D. haven’t he
13. In sports field we can learn to win without pride and lose with _____.
  A. race    B. grace    C. face    D. honor
14. Not until I began to work ____ how much time I had wasted. 
A.didn’t realize          B. did I realize    C. I didn’t realize       D. I realized 
15. The teacher tried to explain the problem, but the explanation didn’t get _____ to the class.
  A. across    B. down    C. at    D. off
16. The new decision represents a(n) ____ of our original agreement.
  A. crime  B. offence  C. breach  D. misdeed
17. Children at the beginning of his century ____a lot and_____ themselves greatly even with out TV.
A.used joying      B.used joyed
C.were used joy    D.were used joying
18. 2. It is only when you nearly lose someone ______ fully conscious of how much you value him.
　A. do you become  B.  then you becomeC. that you become  D.  have you become
19. Some companies have introduced flexible working time with less emphasis on pressure ______ .系统安装包下载
    A. than more on efficiency    B. and more on efficiency  
    C. and more efficiency      D. than efficiency
disabled怎么读音20. The total weight of all the ants in the world is far greater than＿of all human beings.
A. one    B. this    C. that    D. which
1. verify 核实； 证明； 判定If you verify something, you check that it is true by careful examination or investigation.  Eg. I verified the source from which I had 我核实了我所获消息的来源。
testify作证； 声明； 证明； 证实
They testify to the extraordinary potency of his personality. 这些事情证明了他非凡的人格魅
She refused to testify against her husband. 她拒绝出庭作证指控丈夫
justify证明…有理； 为…辩护； 对…作出解释
We'll always justify our actions with noble sounding theories. 我们总会用听起来非常高尚的理论为我们的行动辩护。
To justify a decision, action, or idea means to show or prove that it is reasonable or necessary
No argument can justify  任何理由都不能为战争开脱
2. access数据库特殊操作下载protect．．．againist  保护．．．使不受（强调一般性事物）
safeguard．．．againist 保护．．．免遭（强调领土．主权等）html编辑器app开发文档
Safeguard records from damage or deterioration.播放读音保护以防记录损坏或变质。
4. surpass： jdbc的基本步骤多用以强调优点、长处、技能或质量等方面的超过。
excel： 指在成绩、成就或学识上胜过他人。
exceed： 既可指超出权利、权力的限度、管辖范围，或超过规定的时间范围，又可指在数量、程度或大小等方面的超过。
5. Illness undermined his strength.  疾病逐渐削弱了他的力气.
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