背单词：
biological 生物的
negotiate 谈判
Hos first aim is to get the warring parties back to negotiate table.
grab 抢占
Try to get there early and grab good seats.
passionate 热情的
He jad a brief but passionate love affair with an older woman.
depressed 沮丧的
generous 慷慨的
He is generous with his time and money.
primary 基本的，主要的
Our primary concern is to pravide the refugees with food and health care.
gambling 赌博
theory 理论
authoritative 权威的
the most authoritative work on English surnames.
shade 阴凉处
persistent 坚持的
individual 个人
plague 使困扰
Finacial problems continued to plague the company.
automatic 自动的
an automatic weapon 自动武器
alternative 代替品
New ways to treat arthritis may provide an alternative to painkillers.
download 下载
senior 老年人
Senior can get a 10% discount.
obstacle 阻碍
The tax puts obstacles in the way of companies trying to develop trade overseas.
equivalence 相等，等值
……the equivalence of science and rationality.
intention 意图
They went into the town with the intention ofvisiting the library.
crucial 至关重要的
The conservation of tropical forests is of crucial importance.
project 工程，作业
standpoint 立场
flaw 缺点，错误
contract 合同
advocate 倡导
vitally 极其重要的
occupation 职业
dust 灰尘
content 内容
cheek 脸颊
upbringing 养育，培养，教养
scholarship 奖学金
fiction 小说
psychological 心理的
interdependence 相互依靠
specialize 专业从事
logic 逻辑
vehical 车辆
tolerance 宽容，容忍
smooth 光滑的
signal 信号
institution 社会公共机构，制度，设立，制定
sophisticated 复杂的，世故的
praise 赞美
session 会议，开会
breakthrough 突破
approve 赞成，同意
exhaust 使精疲力尽的
incidence 几率
memorize 熟记，牢记
riotous 狂暴的
confodence 自信的
ignorance 无知，愚昧
similar 相似的
transform 改变
tiny 微小的
subsidize 提供补贴
overweight 超重的
今天先到这。
