Debate n. 辩论
They had a fierce      as to whether their company should restore the trade relationship which was broken years ago.(97.1.53)
A  debate  B  clash   C  disagreement  D  contest
Digest.v.消化 n.  简编
Why should anyone want to read      of books by great authors when the real pleasure comes from reading the originals ?(97.6.51)
A themes  B  insights  C  digests   D  leaflets
Duplicate v. 模仿
Recently a number of cases have been reported of young children     a violent act previously seen on television .(97.6.59)
A  modifying    B duplicating  C  accelerating  D  stimulating
Distinction  n. 区别
We should make a clear     between the two scientific terms for the purpose of our discussion .(99.6.53)
A  separation  B  discrimination  C  deviation  D  distinction
Delicate a.     棘手的,易碎的
One of his eyes was injured in an accident ,but after a     operation , he quickly recovered his sight. (97.6.45)来源：www.examda.com
A  delicate   B  considerate  C  precise  D  sensitive 
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.
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