1． be /become infected with被传染上…
an infected area 污染地区
2． by swimming 通过游泳
by accident=by chance 偶然地
by means of 借助，靠
by turns 轮流
by mistake 由于疏忽
by no means 决不
3． live with 与…一起生活
live by 以…为生
live on 以…为主食
4． via the following routes
通过以下途径
5． get tested for HIV进行艾滋病毒检测
get/be lost 迷路
get/be married 结婚
get/be separated 分离
get/be injured 受伤
6． look/be different from=differ from与…不同
be similar to 与…相似
the same as 与…相同
7． take/make notes of 记下，记录
take note of注意到
take no notice of没注意到
Reading
8． be born dying 天生快要死去
be born+adj/n
be born a musician/a poet
=a born musician/poet天生的音乐家/诗人
9． break down the body’s immune system破坏免疫系统
The car breaks down.车抛锚
The plan breaks down.计划失败
The health break down.身体跨掉
10． help (to)keep
can’t help doing 忍不住干…
can’t help to do sth不能帮忙做某事
can’t help but do不得不干
help sb with sth帮某人干
help oneself to sth随便，自取…
with the help of sb 在某人的帮助下
11． keep the door open/closed.让门开着/关着
keep you waiting让你久等
keep sth. in mind把…记在心中
keep back阻止
keep off勿踏
keep up保持
keep…out of保持
12． lack money/courage/ability
=be lacking in money 缺钱/勇气/能力
13． suffer from the disease 患病
14． persuade hospitals to spend more money on AIDS research and education
persuade sb to do sth 说服某人做某事
=persuade sb into doing sth
persuade sb not to do sth说服某人不做某事
=persuade sb out of doing sth
（说而不服时用）
try to persuade sb to do sth try to persuade sb into doing sth
advise sb to do sth 建议某人做某事
Integrating skills
15． on the contrary 相反
16． for the moment 暂时，此时此刻
for a moment 一会儿
in a moment一会儿
17． think of sth as sth 把…当作
=regard … as …
=consider…as/to be…
18． take every chance 抓住机会
by chance偶然