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【多选题】
在非洲有一类鸟类称为维达鸟(indigo bird),它们是一种巢寄生鸟,会把自己的蛋生在其它鸟类蛋巢穴中。为了不让“养父母”发觉,维达幼鸟需要学习养父母亲生子女蛋叫声,当雄性维达幼鸟长大,又用这种叫声去吸引雌鸟。于是寄生在同一区域不同鸟巢的维达鸟拥有不同的求爱信号,彼此之间不能理解;因此虽然分布地区相同,但不会相互交配,从而演化出了不同的新种。请问这种物种形成当方式,属于:
A.
同域隔离
B.
邻域隔离
C.
异域隔离
D.
遗传隔离
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参考答案:
举一反三
【判断题】原文:It suggests that some developing-country consumers might even be greener than developed-country ones.译文:它显示有些发展中国家消费者可能比发达国家消费者更具喜欢绿色。
A.
正确
B.
错误
【单选题】【2018上】下列哪一个选项不是婴儿期出现的基本情绪体验( )
A.
羞愧
B.
伤心
C.
害怕
D.
生气
【单选题】听力原文:It is already known that incorrect usage of combination lap and shoulder seat belts can lead to injuries of the spine, neck and pelvis. Now, evidence from three case reports suggests that individ...
A.
正确
B.
错误
【单选题】花在花轴上排列的方式称为( )
A.
叶序
B.
脉序
C.
花序
D.
花梗
【简答题】原文:听音频填空。译文:Neurologist Dr. Daniel Barone says that daily mindfulness meditation is the key to a good night's ______. He says that incorporating 15 minutes of meditation into your _______ routine is a...
【单选题】听力原文:W: My English teacher suggests that I come in and borrow a Chinese-English dictionary. M: Of course, Miss. You are welcome to use our dictionaries. But they may not be taken out of the library. W...
A.
Buy a dictionary for herself.
B.
Use her dictionary more often.
C.
Take the dictionary out of the library.
【单选题】听力原文: A new study suggests that very young children who watch a lot of television may have attention problems later in school. Children with attention problems cannot sit still or control their action...
A.
Attention problems.
B.
Participating problems.
C.
Communication problems.
D.
Speaking problems.
【单选题】听力原文: Today, we'll look at another problem that is troubling the British society. It seems that young people in Britain today are losing the ability to communicate clearly and accurately in standard E...
A.
Reading and writing in English.
B.
Talking freely in public.
C.
Smoothly and clearly expressing themselves in English.
D.
Successfully handling job interviews.
【判断题】叶在叶轴上的排列方式称为叶序
A.
正确
B.
错误
【单选题】【2018上】下列哪一个选项不是儿期出现的基本情绪体验?( )
A.
B.
伤心
C.
害怕
D.
生气
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