【名词&注释】
禾本科植物(grass)、顶端分生组织(apical meristem)、筒状花(discoid flower)
[单选题]假二叉分枝是顶端分生组织分成2个发育而成的。( )
A. 正确
B. 错误
查看答案&解析
举一反三：
[单选题]禾本科植物小穗中小花的花被为( )。
A. 缺如
B. 浆片
C. 稃片
D. 颖片
[单选题]
B．puzzle
C．story
D．joke
A. surpriseB．puzzle
B. story
C. joke
[单选题]The chart shows that from 2005 to 2008，．
A. the percentage of the Spanish families with a computer rose 35 points
B. the percentage of the White families with a computer remained unchanged
C. the number of the Black families with a computer was on the decrease
D. the number of the Asian families with a computer showed the sharpest increase
[单选题]
A. much
B. many
C. little
D. few
[单选题]菌类植物是一群低等异养的真核生物。( )
A. 正确
B. 错误
[单选题]在植物系统演化中，最先产生的器官为( )。
A. 根
B. 茎
C. 叶
D. 花
[单选题]The last paragraph is about how to teach a teenager
A. to use the phone in a sensible way
B. to pay for his own telephone
C. to share the phone with friends
D. to answer the phone quickly
[单选题]筒状花亚科植物的一大特点是均具异形小花。( )
A. 正确
B. 错误
[单选题]What is the passage mainly about?
A. The changes of the author’s attitude to her mother’s English.
B. The limitation of the author’s perception of her mother.
C. The author’s misunderstanding of “limited” English.
D. The author’s experiences of using broken English.
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