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【单选题】
在几种塑料材料中,( )是当前工业产量最大的塑料品种。A.
聚乙烯
B.
聚丙烯
C.
聚苯乙烯
D.
聚氯乙烯
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【单选题】下面关于折半查找的叙述正确的是 ( )
A.
表必须有序，表可以顺序方式存储，也可以链表方式存储
B.
表必须有序，而且只能从小到大排列
C.
表必须有序且表中数据必须是整型，实型或字符型
D.
表必须有序，且表只能以顺序方式存储
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【单选题】下面关于折半查找的叙述正确的是( )
A.
表必须有序，表可以顺序方式存储，也可以链表方式存储
B.
表必须有序且表中数据必须是整型，实型或字符型
C.
表必须有序，而且只能从小到大排列
D.
表必须有序，且表只能以顺序方式存储
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