1. Would you mind giving a talk today about DNA? 你今天可以作一个关于脱氧核糖核酸的报告吗？
would you mind + doing 是礼貌提出请求的句型你干某事好吗？。要特别注意它的回答：表示同意用Certainly not或Of course not. 表示不同意，用Im sorry, but 如：--- Would you mind lending your new bicycle to me? --- Certainly not. 当然可以。--- Would you mind waiting for some time? --- Im afraid not, for I have something important to do right now. 恐怕不行，因为我有重要的时马上要做。
2. If Dr Baker is in the hall, will he please make himself known to me? 如果贝克博士在这个大厅里，请他给我作个自我介绍，好吗？
make oneself known自我介绍：Here are my friends. Would you make yourself known to them? 这儿都是我的朋友，你愿意向他们作自我介绍吗？掌握其它几个类似结构: make oneself understood使自己被理解; make oneself heard使自己被听到; make oneself seen 使自己被看到。如: Speak louder or you cant make yourself heard. 大声点，否则别人听不到你的声音。The baby always make himself understood by the way of crying. 婴儿总是通过哭来让大人们了解他的需求。
1. Can you ring up the bus company? 你能给汽车公司打个电话吗？给打电话有几种说法: call sb. (up) on the telephone; telephone sb. /phone sb.; give sb. a phone call; ring sb. up; give sb. a ring
2. Can I take a message? 要不要留个话？message 常和下列动词搭配：take a message 带口信；give a message 传达口信；leave a message 留口信，如：Would you like to give a message to him? 请你给他捎个口信，好吗？
3. Dr Baker replied to the invitation, accepting it. 贝克博士答复了请帖，接受了邀请。reply ①不及物动词：Please reply to my question. 请回答我的问题。②及物动词：He replied that he knew nothing about it. 他回答说这件事他一点也不知道。③名词： He made no reply to this question. 对于这个问题他没作回答。
4. He decided to attend the meeting though he was still a bit surprised. 他还是决定出席这个会议。attend 表示参与、参加, 和 join / take part in 的区别: join: 加入到某一组织、团体或人群中去，成为其中的一员：join the club 加入俱乐部; take part in: 指参加某一活动: take part in the discussion 参加讨论; attend: 参加或出席会议、聚会、讲座，上课: attend a meeting 参加会议; attend the concert 出席音乐会; attend the lecture听讲座。
5. He wondered why they had invited him. 他纳闷的是，他们为什么邀请他。掌握动词wonder 的两个意思①自问ask oneself：I wonder who he is. 我不知道他是谁。常用来表示请求 I wonder if you could give me a hand? 请问你是否可以帮我一个忙。②惊奇：I wondered to hear her voice in the next room. 我听到隔壁她的声音，十分惊讶。We wonder at the fact that you werent killed. 你竟未遇难，令人惊奇。wonder也可作名词: the wonders of modern medicine 现代医学奇迹 No wonder you were late! 难怪你来晚了!
6. I hope very much that he will be able to give a talk on a different subject. 我非常希望他能就另一个不同的课题作个报告。give a talk on 作关于的报告：The doctor gave a talk on family health. 那位医生作了关于家庭保健方面的报告。
7. Everybody knows that youre an expert on the subject. 大家都知道你是这一课题方面的专家。an expert on 是的专家；an expert in/at 表示擅长某技能：His father is an expert on foreign affairs. 他是一个国际事务专家。He is an expert at medicine. 他精通医学。
8. The organizer had put Dr P Bakers name on the list of speakers, but when the invitation list was being done, someone had made a careless mistake and had written Dr D Baker instead. 组织者曾将P?贝克博士的名字列入演讲人的名单,但是,在开列请名单时,有人粗心大意弄错了,写成了D?贝克博士。副词instead(替代)常位于句末，汉译时不译出,如：Today we wont have rice for supper; well take noodles instead. 今天晚餐我们不吃米饭，而吃面条。
9. Im doing research in ENT at Lincoln College in Tennessee. 我正在田纳西州林肯学院从事耳鼻喉方面的研究。do research in/on 从事研究工作：He has done a lot of research on that subject. 他对那个课题进行了大量的研究。
10. But Dr Lively was going to talk on that very subject today. 而莱芙莉博士今天要谈的正是这个题目。这句中的very 是形容词，就是、正是，表示强调: This is the very thing I want. 这正是我想要的东西。He is the very man Im looking for. 他正是我要找的人。