【名词&注释】
输导组织(conducting tissue)
[单选题]下列各种输导组织特征中，( )的性状最为进化。
A. 具网纹、孔纹导管
B. 具环纹、螺纹导管
C. 无导管而具管胞
D. 无伴胞
查看答案&解析
举一反三：
[单选题]
A. excited
B. hurt
C. late
D. tired
[单选题]Goldie rushed off to a farmhouse one day because she ________ .
A. saw her puppies
B. heard familiar barkings
C. wanted to leave the author
D. found her way to her old home
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