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【简答题】
电信号可以分为两大类： 信号和 信号。
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】试写出链表的编程实现。要求:必须具有初始化、头插法建表、删除、查找等功能并在关键的代码后面加上注释,并把实现的结果截图一并放入。早交又完善的加分。
【多选题】With reference to Fig. , if link 3 is removed, which of the following statements is correct:
A.
I 1 = I 2 + I 3
B.
I 1 = I 4 + I 5
C.
I 1 = I 2
D.
I 1 = I 3
E.
I 1 = I 3 + I 4 + I 5
【多选题】With respect to Fig., which of the following statements are correct:
A.
I 1 is the total supply current
B.
I 1 = I 2 + ( - I 3 ) + I 4
C.
I 1 = I 2 + I 3 + I 4
D.
I 2 = I 3 + I 4 + I 5
E.
I 1 = I 3 + I 4 + I 5
【单选题】下列对原文内容的理解,不正确的一项是( )
A.
鲁迅在本文中将深刻的思想借用具体平凡的事物和生物的形象加以表达，文题虽小，旨意却大。
B.
本文采用“闲谈”的形式，古今中外，旁征博引，无拘无束，任意而谈，没有表现出明显的议论中心。
C.
本文采用形象化的说理，揭露了统治阶级“治术”的险恶本质，表达了人民必胜的信心。
D.
本文笔调从容，看似闲谈，实质严谨不苟，意蕴丰富，名曰“闲谈”，实有“正说”。
【单选题】Which of the following is probably the best title for the text?
A.
Tobacco Giants Vow to Fight Canadian Judgment
B.
The Imperial Tobacco Fights Back Legal Inequality
C.
The Public Health Movement Concerning Tobacco
D.
The Overall Judgment Concerning Legal Ruling
【单选题】As is shown in the Fig. , which of the following statements is false?
A.
point a is at a potential of u ab volts higher than point b
B.
the potential at point a with respect to point b is u ab
C.
the voltage drops on the resistor is u ab
D.
u ab is not equal to - u ba
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