
【名词&注释】
减数分裂(meiosis)、雌激素(estrogen)、生活史(life history)、产蛋率(laying rate)、养鸡场(fowl run)、密切相关(closely related)、植物体(plants)、头状花序(head)
[单选题]水霉的生活史是配子减数分裂型。( )
A. 正确
B. 错误
查看答案&解析
点击获取本科目所有试题
举一反三:
[单选题]
A. expected
B. persuaded
C. allowed
D. advised
[单选题]What is the conversation mainly about?
A. The woman’s study.
B. The woman’s friend.
C. The woman’s trouble.
[多选题]养鸡场鸡舍中清晨和傍晚用稳定的灯光延长光照时间.以提高产蛋率。下列分析正确的是
A. 延长光照刺激可直接通过体液调节提高产蛋率
B. 鸡的产蛋率与体内的雌激素水平密切相关(closely related)
C. 鸡的产蛋行为受神经调节和体液调节共同作用
D. 鸡的产蛋行为受遗传因素和环境因素共同影响
[单选题]衣藻的运动和硅藻的运动都是由于鞭毛的缘故。( )
A. 正确
B. 错误
[单选题]
B.differ from
C.break down
D.compensate for
A. show upB.differ from
B. break down
C. compensate for
[单选题]属无限花序中的复合花序。
A. 穗状花序
B. 多歧聚伞花序
C. 头状花序(head)
D. 圆锥花序
[单选题]What would be the best title for the passage?( )
A. Drinking for Better Social Relationships.
B. Experiments of Personality Evaluation.
C. Developing Better Drinking Habits.
D. Physical Sensations and Emotions.
[单选题]Many lifestyle. patterns do such great harm to health that they actually speed upweakening at the human body.
A. a; /
B. /; the
C. a; the
D. /; /
[单选题]真蕨亚门植物体(plants)上常具鳞片和毛,其作用为( )。
A. 支持作用
B. 分泌作用
C. 吸收作用
D. 保护作用
本文链接:https://www.zhukaozhuanjia.com/download/n8z937.html