AD stands for ‘Before Christ’ in the Gregorian calendar.

• Ture

• False

The Stone Age is divided into two periods: the Old Stone Age and the New Stone Age.

• True

• False

Which of the following is the most commonly used calendar?

• Gregorian calendar

• Reign title clendar

• Islamic calendar

• Ganzhi calendar

Which century does AD 789 belong to?

• The 78th century

• The 6th century

• The 7th century

• The 8th century

The pre-historic times ended with the invention of _____________.

In the Old Stone Age, humans learnt to start fire for cooking and make clothes with A______ S_______.

Which was the first kind of material used by humans to make tools?

• Copper

• Bronze

• Iron

• Stone

The historic times began around _____________.

• 4000 BC

• 6000 BC

• 4,000 years ago

• 8,000 years ago

Which of the following equals to the tenth year in the 20th century?

• 2010

• 2000

• 1910

• 1810

In the _______ stone age, humans lived on tree branches or in caves.