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
auditorium
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.
autobiography
n. 自传

A: Is that dog over there real?
B: No, I think that it is just an automation
automation
n. 自动化（技术），自动操作

A: I am moving to an autonomous region of the country.
B: Gosh, that will be an interesting experience.
autonomous
a. 1.自治的；2.独立自主的

A: You are very independent.
B: My autonomy is protected by the law.
autonomy
n. 1.自治，自治权；2.人身自由，自主权

A: Where you able to get through to the ticket office when you telephoned?
B: I tried several times, but to no avail.
avail
n. [一般用于否定句或疑问句中] 效用，利益，帮助

A: What was the film about?
B: A guy trying to avenge the killing of his brother. It was quite violent.
avenge
vt. 1.为…复仇，报…之仇；2.(on)向…报仇

A: Let’s turn left down the next road.
B: Good idea, that way we can avert the traffic jam.
avert
vt. 1.防止，避免；2.转移（目光、注意力等）

A: I heard that the national aviation company owes a lot of money to the government.
B: Well, it must be because of the price of new planes.
aviation
n. 1.航空，航空学；2.飞机制造业

A: I was filled with awe when I watched the sun rise this morning.
B: It is a shame that I missed it, I was still in bed.
awe
n. 敬畏，惊惧
vt. 使敬畏，使惊惧
be / stand in awe of 敬畏

A: At what speed does the earth spin on its axis ?
B: I am not quite sure, you should check in your textbook.http://ks.examda.com
axis
n. 1.轴，轴线，中心线；2.坐标轴，基准线