在OSI参考模型中,物理层的功能是(1)等。实体在一次交互作用中传送的信息单位称为(2),它包括(3)两部分。上下邻层实体之间的接口称为服务访问点(SAP),网络层的服务访问点也称为(4),通常分为(5)两部分。
A.建立和释放连接
B.透明地传输比特流
C.在物理实体间传送数据帧
D.发送和接收用户数据
第3题
--Would you rather come on Friday or Saturday?
--__________________.
A. No, thanks.
B. Friday.
C. Yes, of course.
D. It doesn’t matter.
第4题
Xiaoyan:So, I' d like to come and see the flat.
Franca: Yes, when is convenient? How about during the day? I usually work in the
evening.
Xiaoyan; Well,I work during the day, but perhaps in the afternoon?
Franca:Well, why don't you come at about 5 o'clock?
Xiaoyan:That's a good idea.
Franca; Are you free on Thursday?
Xiaoyan: No, I'm afraid I'm not. We always have a meeting on Thursday. What about
Wednesday?
Franca:No, I' m sorry. I' m busy on Wednesday. I’m in Cambridge. Are you free on
Friday?
Xaaoyan:Yes,Friday is fine.
Franca: Okay. See you on Friday at 5 o'clock at the flat.
Xiaoyan;Thanks very much. Goodbye.
Franca:Goodbye.
1. Franca usually works during the day.
A. Right
B. Wrong
2. It is convenient for both of them to meet in the afternoon.
A. Right
B. Wrong
3.Xiaoyan is free on Wednesday.
A. Right
B. Wrong
4. Franca is not free on Wednesday because he has a meeting.
A. Right
B. Wrong
5. They are going to meet on Friday at the flat.
A. Right
B. Wrong
第5题
听力原文:M: 774129.
W: Hello, is that Self Drive Car Hire?
M: Yes, speaking, please...can I help you?
W: Oh yes, please. Er...I wanted to enquire about hiring a car for the weekend.
M: Yes, We do have special weekend rates, in fact, so...what kind of car would you like?
W: Well, it's...I'm not sure. Er...what would be the best kind for family of a family of four...er plus space for camping equipment. We're going on a camping holiday.
M: I think you would need something like a Maxi or Marina. That'd be the best I think.
W: Yes. Er...We'd be leaving on Friday, that's Friday, July 12th, and returning on Monday, that's July 15th.
M: Yes, that's fine provided you pick up the car after 4 o'clock on Friday and return it by 10 o'clock on Monday.
W: I see. Thank you for the information.
M: You're welcome.
(18)
A.On Friday July 12th.
B.On Monday July 12th.
C.On Friday July 15th.
D.On Monday July 15th.
第6题
听力原文:M: 774129.
W: Hello, is that Self Drive Car Hire?
M: Yes, speaking, please...can I help you?
W: Oh yes, please. Er...I wanted to enquire about hiring a car for the weekend.
M: Yes, We do have special weekend rates, in fact, so...what kind of car would you like?
W: Well, it's...I'm not sure. Er...what would be the best kind for family of a family of four...er plus space for camping equipment. We're going on a camping holiday.
M: I think you would need something like a Maxi or Marina. That'd be the best I think.
W: Yes. Er...We'd be leaving on Friday, that's Friday, July 12th, and returning on Monday, that's July 15th.
M: Yes, that's fine provided you pick up the car after 4 o'clock on Friday and return it by 10 o'clock on Monday.
W: I see. Thank you for the information.
M: You're welcome.
(8)
A.On Friday July 12th.
B.On Monday July 12th.
C.On Friday July 15th.
D.On Monday July 15th.
第7题
-Hi, Bob. Are you free tomorrow?
A. Yes , sure
B. Yes , fine
C. Yes , that's okay
第8题
听力原文:M: 774129.
W: Hello, is that Self Drive Car Hire?
M: Yes, speaking, please ... can I help you?
W: Oh yes, please. Er ... I wanted to enquire about hiring a car for the weekend.
M: Yes, We do have special weekend rates, in fact, so ... what kind of car would you like?
W: Well, it's ... I'm not sure. Er ... what would be the best kind for family of a family of four ... er plus space for camping equipment. We're going on a camping holiday.
M: I think you would need something like a Maxi or Marina. That'd be the best I think.
W: Yes. Er ... We'd be leaving on Friday, that's Friday, July 12th, and returning on Monday, that's July 15th.
M: Yes, that's fine provided you pick up the car after 4 o'clock on Friday and return it by 10 o'clock on Monday.
W: I see. Thank you for the information.
M: You're welcome.
Q6. When will her family return from camping holiday?
(15)
A.On Friday July 12th.
B.On Monday July 12th.
C.On Friday July 15th.
D.On Monday July 15th.
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