单项选择题

If the contagious nature of yawning is a means of communication within groups of animals, possibly as a means to（）behavior, yawning in humans is most likely（）and an evolutionarily ancient mechanism that has lost its significance.

A．clarify ； substantial
B．mirror ； minimal
C．synchronize ； vestigial
D．temporize ； analogous
E．interrupt ； pernicious

<上一题 目录 下一题>
热门 试题

单项选择题
In Homer’s Iliad, Akhilleus, the greatest of all Greek warriors, is driven towards immortality by his own need for（）.

A．conflict
B．epiphany
C．bloodlust
D．powerlessness
E．self-preservation
单项选择题
While mimicking the thought of his mentor Socrates, who conceived of forms as existing on an ethereal, heavenly and（）plane, Plato also argued that forms become（）in objects.

A．abstract ； rational
B．condensed ； ratified
C．sacrilegious ； profane
D．transcendent ； immanent
E．imaginative ； earthbound
相关试题