【名词&注释】
减数分裂(meiosis)、水土保持(soil and water conservation)、苔藓植物(bryophytes)、生活史(life history)、配子体(gametophyte)、适应力强
[单选题]板栗小枝无顶芽。雄花序为下垂的柔荑花序。( )
A. 正确
B. 错误
查看答案&解析
举一反三：
[单选题]43_______
A. house
B. forest
C. field
D. cottage
[单选题]杨柳科植物多为速生树种，适应力强，是重要的用材及水土保持植物。( )
A. 正确
B. 错误
[单选题]
B． even
C． still
D． again
A. thusB． even
B. still
C. again
[单选题]苔藓植物的生活史，减数分裂发生在( )。
A. 合子萌发时
B. 产生精、卵时
C. 原丝体发育成配子体(gametophyte)时
D. 产生孢子时
[单选题]What did the author remember most fondly of her train trip?
A. The friendly country people.
B. The mountains along the way.
C. The crowds of people in the streets.
D. The simple lunch served on the train.
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