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【单选题】
废水中一类污染物采样点设置在A.
车间或车间处理设施排放口
B.
排污单位的总排口
C.
车间处理设施入口
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】在头指针为head且表长大于1的单向循环链表中,指针p指向表中的某个结点,若p->next->next==head,则()。
A.
p指向头结点
B.
p指向尾结点
C.
*p的直接后继是头结点
D.
*p的直接后继是尾结点
【单选题】听力原文：M: Didn't you say you would go to the convention this morning? W: Yes, but it was postponed until next Wednesday. Q: What does the woman mean? (19)
A.
The convention was cancelled.
B.
The convention was put off.
C.
The convention was held last Wednesday.
D.
The convention was overcrowded.
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