Decline v. 下降(数量,犯罪率)
Last year , the crime rate in Chicago has sharply      .(97.6.57)
A   declined   B  lessened   C  descended  D  slipped
In addition to the rising birthrate and immigration ,the    deathrate contributed to the population growth.(03.1.61)
A  inclining  B  increasing  C  declining  D  descending
Cotton production has been      the decline these years.来源：www.examda.com
A  down   B  on   C  at  D  under
Dedicate v. (to) 把------献给
1. It’s a pleasure for him to      his energy and even his life to research work .(98.6.63)
A  dedicate  B  dictate  C  decorate  D  direct
2.We should      our energy and youth to the development of our country.(02.1.59)
A   dedicate  B cater  C  ascribe   D cling
Decent a. 适宜的
This movie is not      for children to see; it contains too much violence and too many love scenes .(2000.1.67)
A  profound   B  valid   C  decent  D  upright
In some remote places there are still very poor people who can’t afford to live in     conditions. (06.1.51)
A  gracious   B  decent  C  honorable  D  positive
Defend v. 捍卫,辩护
The       lawyer made a great impression on the jury. (2000.1.65)
A  protecting    B  guarding   C  defending  D  shielding
Disguise  v. 假扮
She cut her hair short and tried to      herself as a man.(2000.6.70)
A  decorate   B  disguise  C  fabricate  D  fake
Dwell (on) 细想
Please don’t     too much on the painful memories . Everything will be all right .(01.6.66)
A  hesitate    B  linger    C  retain   D  dwell
Too often Dr.Johnson’s lectures      how to protect the doctor rather than how to cure the patient.(05.6.39)
A  look to   B  dwell on   C  permeate into  D  shrug off
Deviate v.  偏离
 Each workday, the workers followed the same schedules and rarely      from this routine.(01.6.54)
A  deviated     B  disconnected  C  detached  D  distorted
Deteriorate v. 恶化
Connie was told that if she worked too hard ,her health would      (03.1.58)
A   deteriorate    B  degrade   C  descend   D  decay
Derive. v. (from) 来自于
How much of your country’s electrical supply is      from water power?(03.1.65)
A  deduced    B  detached  C   derived   D  declined 
Disaster n. 灾难
The 1986 Challenger space shuttle      was caused by unusually low temperatures immediately before the launch.(03.1.45)
A  expedition   B  controversy  C  dismay   D   disaster
Drawback  n. 缺点
Many pure metals have little use because they are too soft ,rust too easily ,or have some other     .(02.1.70)
A   drawbacks    B   handicaps  C  bruises   D  blunders 
Discard  v.  抛弃
Before we move ,we should       some of the old furniture , so that we can have more room in the new house.(04.6.49)
A  discard    B  dissipate   C  cancel   D  conceal 
Deem v  认为
Anyone not paying the registration fee by the end of this month will be      to have withdrawn from the program.(04.6.51)
A   contemplated   B  deemed  C   acknowledged    D  anticipated
Distract v.  分散(注意力)
Although we tried to concentrate on the lecture , we were      by the noise from the next room.(05.6.32)
A   distracted   B  displaced   C  dispersed   D  discarded
Dazzle v. 使炫目,耀眼
Put on dark glasses or the sun will     you and you won’t be able to see. (01.1.59)
A  discern  B distort  C  distract    D  dazzle
Dissipate v.  渐渐耗尽
After four years in the same job his enthusiasm finally      .(2000.6.56)
A  deteriorated   B  dispersed   C  dissipated  D drained
Deceive  v. 欺骗
The secret agent concealed her real mission, therefore many local people were     into thinking that he was a good person.(96.1.45)
A  betrayed   B  driven  C  deceived  D  convinced
Destructive a. 毁灭的
Hurricanes are killer winds, and their     power lies in the physical damage they can do.
A  cumulative   B destructive   C turbulent   D  prevalent
Designate v.  指定
This area of the park has been specially    for children, but accompanying adults are also welcome.(06.1.42)
A  inaugurated   B  designated  C  entitled  D  delegated
Drown  v.  淹没
I could hear nothing but the roar of the airplane engines which      all other sounds.(06.1.70)
A  overturned  B  drowned  C  deafened  D  smoothed
Degrade  v. 退化
Some scientists are dubious of the claim that organisms     with age as an inevitable outcome of living.(05.1.47)
A  depress    B  default  C  deteriorate  D  degrade
Depict  v.  描绘
Allen will soon find out that real life is seldom as simple as it is      in commercials.(03.6.45)
A  permeated  B  alleged  C  depicted  D   drafted
Derive (from) 来自于
How much of your country’s electrical supply is      from water power?(03.1.65)
A  deduced  B  detached  C  derived  D  declined
Deficit n.  赤字
An energy tax would curb ordinary air pollution, limit oil imports and cut the budget    .(02.6.65)
A   disposition  B  discrepancy  C  defect  D  deficit
Deserve  v. 应该得到
I have devoted four weekends to writing papers and now I feel I     a rest.
A  conceive   B  preserve   C  deserve   D  receive
Diminish  v. 减少
The dry summer       the supply of fresh vegetables.
A   induced   B  diminished  C  dominated  D  manipulated
Disruption n.  扰乱
Jetlag is actually caused by     of your “body clock”—a small cluster of brain cells that controls the timing of biological functions.
A  rupture   B  corruption  C  eruption  D  disruption
Do away with   废除
They have decided to     physical punishment in all local schools.(02.6.66)
A  put away  B  break away with  C  do away with  D  pass away