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【单选题】
计算机网络的物理组成中包含信号变换器，其主要作用为（）。A.
将线路集中起来
B.
进行数字信号与模拟信号的转换
C.
进行信息传送
D.
进行信号放大
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反馈参考答案：
举一反三
【单选题】Measures taken by the Assured or the Underwriters with the object of saving，protecting or recovering the subject-matter insured shall not be considered as _______.
A.
sue and labor
B.
a waiver or acceptance of abandonment or otherwise prejudice the rights of either party
C.
general average acts
D.
acts reasonable for the purpose of averting or minimizing a loss
【多选题】新型的师生关系应该是
A.
在人格上，学生与教师是民主平等的关系
B.
强调以儿童为中心
C.
师生关系是一种朋友式的友好帮助的关系
D.
在社会道德上，学生与教师是相互促进的关系
【多选题】新型的师生关系应该是( )
A.
在人格上,学生与教师是民主平等的关系
B.
强调教师的权威地位
C.
师生关系使一种朋友式的友好帮助的关系
D.
在社会道德上,学生与教师是相互促进的关系
E.
以儿童为中心
【单选题】The division of labor, directing a person's whole attention toward one simple object, leaves little room f o r the invention of machinery.
A.
T
B.
F
C.
NG
【简答题】Paragraphs 2 & 3: developing region: translate. see...as: make up a sentence. leap over: explain and make up a sentence. "Widespread access to information technologies, for example, promises to conden...
【多选题】新型的师生关系应该是( )
A.
在人格上,学生与教师是民主平等的关系
B.
强调教师的权威地位
C.
师生关系使一种朋友式的友好帮助的关系
D.
在社会道德上,学生与教师是相互促进的关系
【简答题】The writer takes a rather ________ tone. (snob) 2. All the children are tested in basic_______. (literate) 3. The _____ part of the speech became tedious. (late) 4. The hurricane ________thousands of ...
【单选题】The agricultural revolution in the nineteenth century involved two things: the invention of labor-saving machinery and the development of scientific agriculture. Labor-saving machinery naturally appea...
A.
The need for agricultural advances to help feed a growing population.
B.
The development of safer machines demanded by the labor movement.
C.
Machinery that contributed to the agricultural revolution.
D.
New Jersey as a leader in the agricultural revolution.
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