A.链式查询
B.计数器定时查询
C.独立请求
D.3种方式都可能
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M: I'd like to speak to Mr. Hailer, please.
W: Who shall I say is calling, please?
M: This is Mr. Dewey from the IM Company.
W: I'sorry, Mr. Dewey, but Mr. Halley is not in at the moment.
M: When will he come in, do you know?
W: I suppose he won't be in until 12: 00.
M: May I leave a message?
W: Certainly.
M: Please ask him to give me a call as soon as he returns. He has my number.
W: Very well, Mr. Dewey, I'll do that.
M: Thank you. Bye-bye.
8.How does the conversation take place?
9.When will Mr. Halley be in?
10.What does the man ask Mr. Halley to do?
(8)
A.By the radio.
B.On the phone.
C.Between two friends.
D.In a restaurant.
A.
W:
B.
W:
C.
M:
D.
M:
E.
M:
F.
W:
G.
M:
H.
8.How
I.When
J.What
K.By
L.
B.On
M.
C.Between
N.
D.In
O.
A.提高总线的负载能力
B.提高总线带宽
C.提高总线的可靠性
D.在不增加总线线数的前提下,传输更多的信号
B.Irene only.
C.Irene and the secretary.
D.The secretary only.
A.Jean.
B.Irene
B.
C.Irene
C.
D.The
D.
A.地址总线,数据总线
B.系统总线,I/O总线
C.PCI总线,EISA总线
D.同步总线,异步总线
A.只能采用同步定时方式
B.只能采用异步定时方式
C.既能采用同步定时方式,也能采用异步定时方式
D.不能直接通信
A.Ⅰ
B.Ⅱ
C.Ⅲ
D.Ⅰ、Ⅱ
A.64MBps
B.132MBps
C.264MBps
D.528MBps
A.一次总线传输只能有一个主设备和一个从设备
B.一次总线传输可以有多个主设备和多个从设备
C.一次总线传输可以有多个主设备,但只能有一个从设备
D.一次总线传输只能有一个主设备,但可以有多个从设备
A.合子
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