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【单选题】
计算机网络的基础是通讯。两台计算机若要进行通讯,需要解决信息的发送、接收和转发问题,如果为计算机装载上能够完成上述功能的部件或者程序-被笼统地称为编解码器,则便可组成网络进行通讯。下图给出了网络通信的基本原理示意图,围绕该图回答问题。 信息的发送者、接收者和传输媒体在计算机网络中分别被称为_____。
A.
信源、信宿和信道
B.
信宿、信源和信道
C.
信道、信源和信宿
D.
以上都不正确
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【单选题】听力原文:May I have your telephone number, please? (A) Oh, I've forgotten, thank you! (B) Sure. It's 3625-9361. (C) Yes, I have an extension. (39)
A.
B.
【简答题】Mrs. Morris’s daughter is pretty and ___,?Mrs. Morris’s daughter is pretty and ___, and many girls envy her. A) slender       B) light               C) faint                D) minor
【判断题】You may begin your vacation May1.
A.
正确
B.
错误
【单选题】机体抗伤寒沙门因感染主要依靠
A.
天然免疫
B.
补体
C.
体液免疫
D.
细胞免疫
E.
吞噬细胞
【简答题】Mrs. Morris’s daughter is pretty and ___, and many girls envy her. A) slender       B) light               C) faint                D) minor
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【单选题】—May I ask you some questions?—__________________.
A.
Sure. Go ahead.
B.
See you tomorrow.
【简答题】Why did the speaker expect Mrs. Morris to come to live with her daughter?A. Because Mr. Morris was dead. B. Because Mrs. Morris suffered from illness. C. Because Mrs. Morris lived all by herself. D. B...
【单选题】After reading the passage, you may conclude that ______.
A.
the Indian system may also be suitable for some smaller societies
B.
the Indians are too simple-minded to live in a modern society
C.
our system is much better than the Indians' apostrophe
D.
the Indian social system would be very difficult to implement in our society
【单选题】Mrs. Morris‘s daughter is pretty and __________, and many girls envy her.
A.
slender
B.
light
C.
faint
D.
minor
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