正确答案: A

正确

题目：一般来说，叶的生长期是有限的，叶在短期内生长达到一定大小后，生长即停止。( )

解析：A

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举一反三的答案和解析：

[单选题]蕨类植物既是高等的孢子植物，又是原始的维管植物。( )

正确

[单选题]When your colleague brings about a problem, you should _______ .

find a better way to handle the problem

解析：

由第二段if your colleague causes you problems on the job for lack of responsibility or ability, find ways of dealing with his irresponsibility or inability rather than simply blame the person.可知

[单选题]向日葵花盘下面的总苞是由若干苞片聚集形成，苞片属( )。

叶的变态

[单选题]One of the disadvantages of traveling as an air courier is that he_____.

cannot take any luggage with him

[单选题]微体是由蛋白质构成的细胞器，根据功能不同，它可分为过氧化物酶体和乙醛酸循环体。( )

错误