Unit 3 Extended reading Language points 课件-2022-2023学年高中英语牛津译林版（2020）选择性必修第二册

Unit 3 Fit for life P2 Language points 1. It also contains information that helps determine our lifespan and affects our chances of contracting certain diseases. 它（基因组）还包含了有助于决定我们寿命长短并影响我们患某些疾病概率的信息。 affect v. 1) to produce a change in sb/sth 影响 ①How will these changes affect us? 这些变化对我们会有什么影响？ ②Your opinion will not affect my decision. 你的意见不会影响我的决定。 affect v. 2) ( of a disease) to attack sb or a part of the body; to make sb become ill/sick 侵袭；使感染 ①The disease affects one in five women. 每五个妇女就有一个人患有这种病。 ②These viruses affect children and are highly infectious(传染性的). 这些病毒会侵袭儿童，而且具有很强的传染性。 拓展 contract v. 1) to get an illness 感染（疾病）；得（病） ①The two drugs have also been approved to reduce the risk of contracting the flu. 这两种药物也获批可以用来降低感染流感的风险。 ②Animal health officials say there have been no reports of humans contracting the bird flu. 动物卫生官员说，目前没有听说有人感染了禽流感。 contract v. 2) to make a legal agreement to work for sb or provide them with a service 订立……的合同（或契约） You can contract with us to deliver your cargo (货物). 你们可以和我们签订合同，由我们负责运输你们的货物。 contract n. an official written agreement 合同；合约；契约 Under the terms of the contract the job should have been finished yesterday. 根据合同的条款，这项工作本应于昨天完成。 拓展 practice Translation. 1. 电视对孩子的行为有影响吗？ Does television affect children's behaviour? 2. Why the animals have contracted the disease remains unclear. 这些动物感染这种病的原因仍然不清楚。 ① Scientists have identified a link between diet and cancer. 科学家发现了饮食与癌症之间的关联。 ② As yet they have not identified a buyer for the company. 迄今为止他们还没有为公司找到买主。 Analysis of difficult sentences 2. Geneticists have been trying to identify which genes relate to which diseases, as they believe genome editing is an effective means of disease treatment and prevention. 遗传学家一直试图找出哪些基因与哪些疾病有关，因为他们认为基因组编辑是治疗和预防疾病的一种有效手段。 identify v. to find or discover sb/sth 找到；发现 relate to to be connected with sth/sb; to refer to sth/sb 涉及；与……相关；谈到 ①We shall discuss the problem as it relates to our specific case. 我们应针对我们的具体情况来讨论这个问题。 ②T