assorted
　　a. 1.各种各样的，混杂的，什锦的
　　A: I received assurances that I would get help.
　　B: And did they come through?
　　assurance
　　n. 1.把握，信心;2.保证，表示保证(或鼓励、安慰)的话;3.(人寿)保险
　　A: I am not able to run fast because I suffer from asthma.
　　B: Don’t worry, I can’t run fast either because I am unfit!
　　asthma
　　n. 气喘，哮喘
　　A: It is my dream to be an astronaut one day.
　　B: I too would love to see the earth from space.
　　astronaut
　　n. 宇航员
　　A: I am going to visit the new astronomy research centre in town tonight, would you like to join me?
　　B: I’d love too, is there a good telescope to view the stars with?
　　astronomy
　　n. 天文学
　　A: They are closing down the local asylum .
　　B: It is about time, the care facilities there were terrible.
　　asylum
　　n. 1.庇护，政治避难;2.精神病院
　　A: Do you have an atlas ? I want to check where and in which ocean the Tongan Islands are.
　　B: No, I don’t have one, but I think that they are in the Pacific.
　　atlas
　　n. 地图集
　　A: Is attendance at the lecture absolutely necessary?
　　B: Well, if you want to get credit for this course it is.
　　attendance
　　n. 1.出席人数;2.出席，参加，出席次数;3.护理，照料
　　A: I lost my wallet at the cinema yesterday.
　　B: Did you ask the attendant on duty if it was found?
　　attendant
　　n. 服务人员，侍者，随从
　　a. 伴随的，随之而产生的
　　A: The box of old photos that you are looking for is in the attic .
　　B: On the right or left hand side?
　　attic
　　n. 阁楼
　　A: The auction will be held at 3pm on Saturday.
　　B: Good, I’d like to set a starting price of one hundred dollars for my table.
　　auction
　　n./vt. 拍卖
　　A: Even though I’m not registered in this department, will it be alright if I audit your classes?
　　B: It is fine with me, but it is best to check with the department first.
　　audit
　　vt. 审计，检查(帐目)
　　A: Are all the accounts from your business in order?
　　B: No, the auditor still needs to check them.
　　auditor
　　n. 审计员，稽核员
　　A: Where will the classical concert be held?
　　B: In the main auditorium
　　auditoriumwww.Ｅxamda.CoM考试就到考试大
　　n. 1.观众席，听众席;2.礼堂，会堂
　　A: He is suffering from an auditory infection.
　　B: I hope he recovers soon.
　　auditory
　　a. 听觉的，听觉器官的
　　A: My salary will be augmented with the aid of extra hours.
　　B: Great, but don’t work too hard.
　　augment
　　vt. 扩大，增加，提高
　　A: I attended a memorial service last night.
　　B: It must have a very austere occasion.
　　austere
　　a. 1.朴素的，无装饰的;2.严峻的，一丝不苟的;3.十分简朴的，苦行的
　　A: Are you jeans authentic ?
　　B: No, they are just cheap copies of the original brand.
　　authentic
　　a. 1.真的，真正的;2.可靠的，可信的
　　A: John has such an authoritative voice. It is frightening.
　　B: I find him scary at times also.
　　authoritative
　　a. 1.权威性的，可信的;2.专断的，命令式的
　　A: Stop! You are not authorized to enter this section of the building.
　　B: Oh, I’m sorry, I didn’t realize that I needed special permission.
　　authorize
　　vt. 授权，批准
　　A: What are you reading?
　　B: Nelson Mandela’s autobiography , I highly recommend it.