2011四级重点单词必备
1. decend (1)下来，下降，下斜The plane began to descend.
(2)decend on sb/sth (夜晚，黑暗，情绪等)降临，来临
Night descends quickly in the tropics.
Calm descended on the croud.
2. via (1)经由/过（某一地方） （2）通过，凭借
3. select vt选择，挑选 adj精选的，优等的
4. detect vt发现，查明，侦察出 detective侦探，警探 detector探测器
5.represent vt 代
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，象征，展示 n representation
(1)Each color represents a different departments.
(2)The results are represented in fig.3. below.
6.advocate vt提倡，拥护 advocate doing sth n拥护者，支持者
（1）The group does not advocate the use of violence.
(2) Many experts advocate rewarding your child for good behavior.
7.optional adj 可选择的，选修的 Certain courses are compulsory, others are optional.
option n 可选择的事物，选择权，选项I have no option but to ask him leave.
8.invalid (法律上或官方)不承认的，无效的，无充分事实的
People with invalid papers (无效证件)are deported(驱逐) to another country.
an invalid argument 站不住脚的观点 invalid characters 无效字符
9.significant adj有重大意义的 insignificant无关紧要的
significance n意义 insignificance
10.slightly adv 略微，稍微 a slightly different version 略有不同的说法
11.slight adj（1）轻微的 a slight increase /change
(2)纤细的，瘦小的 a slight figure
not … in the slightest 一点儿也不，毫不 He didn’t seem to mind in the slightest.
12.flexible(1)灵活的，可变动的 flexible working hours弹性工作时间
(2)可弯曲的，有弹性的 n flexibility
13.widespread 分布广泛的，普遍的 widespread damage广泛的损坏
14.productive 多产的，富有成效的 production生产，制造product产品
15.proceed (1)proceed with sth 继续做某事
We are not sure whether we still want to proceed with the sale.
(2)proceed to do 接着做
He outlined his plans and then proceeded to explain them.
(3)行进，前进
Passengers for Rome should proceed to Gate 32 for boarding.
16.visible 可见的，能注意到的
17.feasible 可行的It’s just not feasible to manage the business on a part-time basis.
n feasibility I doubt the feasibility of the plan.
18.executive n行政指导，管理人员
adj (1)有行政权的 an executive board 执行董事会
（2）豪华的 an executive car 高档汽车
19.disposable(1)一次性的 disposable gloves
(2)可自由支配的 disposable income 可支配收入
20.budget n预算 on a tight budget
V把…编入预算 budget sth for sth
Ten million francs has been budgeted for the project.
21.partially 部分地 The road was partially blocked by a fallen tree.
partial adj (1)部分的 It was only a partial solution to the problem.
(2)partial to sb/sth 热爱 I’m not partial to mushrooms.
(3)partial towards sb/sth 偏袒
22.specially adv 特意，格外，尤其 especially adv 格外，尤其，十分
（1）The ring was specially made for her.
(2) I hate homework, specially history.
(3)Teenagers are very fashion conscious ,especially girls.
(4)I wasn’t feeling especially happy that day.
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