【名词&注释】
配子体(gametophyte)、孢子体(sporophyte)、裸子植物(gymnosperm)
[单选题]蜜腺属于( )。
A. 外部分泌结构
B. 分泌细胞
C. 分泌腔
D. 分泌道
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举一反三：
[单选题]We only had ＄100 and that was _______ to buy a new computer.
A. nowhere near enough
B. near enough nowhere
C. enough near nowhere
D. near nowhere enough
[单选题]John is very——if he promises to do something he’ll do it .
A. independent B.confident
B. reliable
C. flexible
[单选题]Where does the text probably come from?
A. novel.
B. A.news story.
C. pet magazine.
D. travel guide.
[单选题]
A. hosts
B. vistors
C. readers
D. reportets
[单选题]裸子植物的胚乳是( )。
A. 配子体世代，核相为n
B. 配子体世代，核相为3n
C. 孢子体世代，核相为2n
D. 孢子体世代，核相为3n
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