正确答案: B

错误

题目：树皮包括死的外树皮和活的内树皮，前者指的是周皮，后者指的是具功能的韧皮部。

解析：解析：将“前者指的是周皮”改为“前者包含新的木栓和它外方的死组织”，将“后者指的是具功能的韧皮部”改为“后者包括木栓形成层、栓内层和最内具功能的韧皮部部分”。

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举一反三的答案和解析：

[单选题]

B． nextdoor C． athome D． abroad

abroad

[单选题]根据下面，回答 57 ~ 60 题： EIt's only 4 hours flying time from Sydney, but a world away. What better place to rest than a country where the only place people hurry is on the football field and things are done in "Fiji time"?

On the island of Viti Levu

[单选题]蓝藻是最原始、最古老的光合自养的绿色低等植物。( )

正确

[单选题]–Wow! You’ve got so many clothes.--But _____ of them are in fashion now.

none