Unit 1. 词汇 1.To lose weight,katie substituted(代替)some low-fat foods for high-fat foods. 2.Our science teacher drew an analogy (类比)between the way 3.In a dictionary, the word “noun” is often represented by(被代表) the letter “n” 4.It’s interesting that different styles of dress can be associated with 与之相联系different types of music. 5.AIDS(艾滋病)is the biggest health challenge(挑战) 6.Coal 煤can easily be converted(转化) to gas.煤气 7.Although people offten say this is beautiful,it is not easy to define the concept (概念)of beauty. 8.The famous TV producer successfully reduced (剪掉) 9.I have a image 形象 in my mind 10.Jack carried bundles (捆)of cold colthes 11.these are all beautiful photos.it’s really hard for me to choose 对于我来说很难选择 12. when asked where his mother was ,the boy pointed to 指向the kitchen. 13. John didn’t marry Mary ,he married Julie instead 取代 14.The best thing about traveling is …learn about various 各种各样 customs 风俗习惯. 短语 1. Home should be a place where people can get away from 远离 fear and danger. 2. Professor Valentine put together 组合 a reading list 阅读单 and asked her students to read all the articles on the list. 3. Jennifer is getting into 感兴趣 fashion design. 4. A difficult task is far easier to finish if it is broken down into 被分解 smaller, easier pieces. 5. After taking the medicine, the patient felt a good deal 相当大的 better. 6. Over and over again 一遍又一遍 I told Steve to give up smoking 戒烟, but he never listened to me. 7. Whether he can be hired or not will depends on 取决于the job interview. 结构 1. what caused he fire (是什么引起了这场火灾). 2. what size of shoes my father wears(我爸爸穿多大的鞋) ...