| 第 1 页：听力原文 |
| 第 2 页：全文参考译文 |
| 第 3 页：词汇讲解 |
| 第 4 页：背景知识介绍 |
| 第 5 页：重点长难句讲解 |
三重点长难句讲解
1.People infected with the virus walk in a bent-over position because of the severe pain in the joints.
感染上这种病毒的人会因为关节剧痛走路弯曲。
【结构分析】该句的主语是people,过去分词短语 infected with the virus walk 作后置定语修饰名词people，意为“感染上这种病毒的人”；谓语是walk；其后的介词短语 in a bent-over position 作方式状语和介词短语because of 引导原因状语修饰动词walk.
【知识链接】be infected with感染上；severe严重的；剧烈的；joint关节
2.But she also said C.D.C. scientists are preparing for possible cases of chikungunya in the United States.
但是她也表示，疾控中心的科学家们正在为美国可能出现的基孔肯雅病例做准备。
【知识链接】prepare for为…作准备
3.People around the world can prevent diseases spread by mosquitoes by removing standing water from their property.
公众可以通过消除住房附近的积水，来阻止蚊子传播疾病。
【知识链接】remove ...from ... 去掉；除去；standing water 积水，死水
4.DEET and other chemicals that work against insects can keep mosquitoes from biting.
避蚊胺和其他能驱赶昆虫的化学药品也能阻止蚊子的叮咬。
【知识链接】work against对...不利；keep sb from doing sth阻止某人做某事
