【名词&注释】
蕨类植物(pteridophyte)、生长期(growth period)、细胞器(organelle)、孢子植物(spore plant)、向日葵花盘(sunflower disc)、乙醛酸循环体(glyoxysome)
[单选题]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。( )
A. 正确
B. 错误
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举一反三：
[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。( )
A. 正确
B. 错误
[单选题]When your colleague brings about a problem, you should _______ .
A. find a better way to handle the problem
B. blame him for his lack of responsibility
C. tell him to find the cause of the problem
D. ask a more able colleague for help
[单选题]向日葵花盘(sunflower disc)下面的总苞是由若干苞片聚集形成，苞片属( )。
A. 叶的变态
B. 根的变态
C. 茎的变态
D. 花冠
[单选题]One of the disadvantages of traveling as an air courier is that he_____.
A. cannot decide when and where to travel
B. cannot take any luggage with him
C. has to wear two pairs of jeans
D. D saves little money from the travel
[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(glyoxysome)。( )
A. 正确
B. 错误
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