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【简答题】
多路复用一般可以分为哪几种基本形式（要求只写出名称）？多路复用的实质是什么？
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反馈参考答案：
举一反三
【简答题】听短文,选择正确答案。听两遍。 1. What is Mrs. Smith's telephone number ? A. 54688 B. 51688 C. 5688 2. What trouble does Mrs. Smith have? A. There was something wrong with her telephone. B. She often got a wrong cal...
【简答题】听下面一段对话，完成第1至3题。 1. Where did the teacher talk with Jack? A. At home. B. Outside school. C. In the classroom. 2. What was Mrs. Smith going to do? A. To visit Jack's father. B. To call Jack's parents. ...
【单选题】在《幼儿园工作规程》中指出幼儿户外活动时间:
A.
在正常情况下每天不得少于3小时，寄宿制幼儿园不得少于4小时。高寒、高温地区必须按要求执行。
B.
在正常情况下每天不得少于2小时，寄宿制幼儿园不得少于3小时。高寒、高温地区可酌情增减。
C.
在正常情况下每天不得少于1小时，寄宿制幼儿园不得少于2小时。高寒、高温地区可酌情增减。
D.
正常情况下每天不得少于2小时，寄宿制幼儿园不得少于3小时。高寒、高温地区必须按要求执行。
【单选题】— Did Mrs Smith call you yesterday? — Yes. I was about for lunch when the telephone rang. A. going out B. to going out C. to go out
A.
1
B.
2
C.
3
【简答题】用所给词的适当形式填空。 1. How many ______ (child) are there in the classroom? 2. The students ______ (study) for an English test now. 3. Someone ______ (call) you last night. 4. My father ______ (read) a letter...
【简答题】听下面一段材料，回答第1至3题。 1. Where did the teacher talk with Jack? A. At home. B. Outside school. C. In the classroom. 2. What was Mrs.Smith going to do? A. To visit Jack's father. B. To call Jack's parents. C...
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