正确答案: D

蚬木

题目：为世界名材之一，属国家二级保护植物。

解析：D

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举一反三的答案和解析：

[单选题]质膜、核膜、液胞膜、线粒体膜、叶绿体膜都是双层膜。( )

错误

[单选题]The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.

that

[单选题]Which of the following would be the best title for the passage?

Women Love to Talk D． Men Talk Differently from Women