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问题
判断题
电路一般由电流、电压及中间环节三部分组成。
答案
参考答案：
错
选择题
— ____ is the population of the town?
— Over 20,000. And a third of the population ____ workers of the car factory.
A. What, are
B. How many, are
C. What, is
D. How many, is
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判断题
链表是采用链式存储结构的线性表，进行插入、删除操作时，在链表中比在顺序表中效率高
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