题目内容

考查下列文法：G(VT,VN,E，P)其中：VT=+，，(，)，i)VN=E，T，FE 是开始符号P： E→E+T｜TT→TF｜FF→(E)｜IF*F+T是该文法的一个句型，其中， (28) 是句柄， (29) 是素短语 (30) 是该句型的直接推导， (31) 是该句型的最左推导， (32) 是该文法的一个句子。（28）处填（）。

A. F
B. FF
C. F+T
D. FF+，T

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Questions 1 to 8 are based on the conversation you have just heard.

A. In a kitchen.
B. In room 204.
C. In a garden.
D. In a hotel.

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Questions 9 to 11 are based on the conservation you have just heard.

A. 500 euros.
B. 150 euros.
C. 5,000 euros.
D. 1,500 euros.

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(66) method is the use of a data processing system to represent selected behavioral (67) of a physical or abstract system. For example, the representation of air streams around airfoils at various velocities, temperatures, and air pressures with such a system.Emulation method is slightly different, it uses a data processing system to imitate another data processing system, so that the imitating system accepts the same data, executes the same programs, and achieves the same (68) as the imitated system. Emulation is usually achieved (69) hardware or firmware. In a network, for example, microcomputers might emulate terminals (70) communicate with mainframe. （67）处填（）。

A. qualification
B. characteristics
C. specialities
D. properties

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Questions 12 to 15 are based on the conservation you have just heard.

A. He does not know how to open the computer.
B. He does not know how to send an E-mail.
C. He does not know how to write an E-mail.
D. He does not know how to change a word.

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A. F B. F*F C. F+T D. F*F+，T

Questions 1 to 8 are based on the conversation you have just heard.

Questions 9 to 11 are based on the conservation you have just heard.

Questions 12 to 15 are based on the conservation you have just heard.

A. F
B. FF
C. F+T
D. FF+，T