单项选择题

Which one of the following, according to the author was first discovered or invented in human civilization

A．Weapons.
B．Oral language.
C．Fire.
D．Gunpowder.
<上一题 目录 下一题>
热门 试题

单项选择题
In the 3rd paragraph, ... in the regions where it could be practiced... , here, it refers to ______.
A．increase
B．number
C．agriculture
D．species
单项选择题
Which of the following is true, according to the passage
A．Fire and the domestication of animals make agriculture possible.
B．Picture language and oral language might appear at the same time.
C．Gunpowder and marine's compass are as important as speech.
D．Language and communication are the most important factors for human development.
相关试题