单项选择题

The characteristic of the Neanderthal teeth ______.

A．may result from their frequent use of teeth equipment
B．is that all their teeth are strongly rooted
C．can not be reflected in their cultural activities
D．has something to do with their eyes

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单项选择题

What does the passage mainly discuss

A．The eating habits of the Neanderthals.
B．A comparison of various prehistoric populations.
C．The physical characteristics of the Neanderthals.
D．The facial features of the Neanderthals.

单项选择题

It is probably because ______ that the middle part of the Neanderthal faces projects forward.

A．they have to adjust to the cold climate
B．their side facial muscles become less important
C．their front teeth are used quite often in their daily life
D．of any of the above