【名词&注释】
配子体(gametophyte)、十字花科(cruciferae)、孢子体(sporophyte)、裸子植物(gymnosperm)
[单选题]毛茛属植物具( )。
A. 聚合核果
B. 聚合瘦果
C. 聚合蓇葖果
D. 聚花果
查看答案&解析
举一反三：
[单选题]
A. After allB． At last
B. Above all
C. At first
[单选题]紫萁(Osmunda japonica)的叶为同型叶。( )
A. 正确
B. 错误
[单选题]How many children does the woman have?
A. Two.
B. Three.
C. Five.
[单选题]Why was David able to get the job in the company?
A. He had done well in all his exams.
B. He had written some computer programs.
C. He was good at playing computer games.
D. He had learnt to use computers at school.
[单选题]裸子植物(gymnosperm)的胚乳是( )。
A. 孢子体世代，核相3n
B. 配子体世代，核相3n
C. 孢子体世代，核相2n
D. 配子体世代，核相n
[单选题]兰科植物雌蕊中( )。
A. 子房上位，中轴胎座
B. 子房下位，中轴胎座
C. 子房上位，侧膜胎座
D. 子房下位，侧膜胎座
[单选题]十字花科的雄蕊类型是( )。
A. 单体雄蕊
B. 二体雄蕊
C. 多体雄蕊
D. 四强雄蕊
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