According to a UN list,            is the best country to live in.

A．Australia	B．New Zealand
C．Zimbabwe	D．Norway

The human development index shows           of people in a country.

A．the health

B．both the health and happiness

C．the number

D．the progress

China came in at number           on the list.

A．13	B．40
C．89	D．46

The word "average" in paragraph 3 means "         ".

A．平均	B．年龄
C．极限	D．寿命

Which country has made the most progress in the past forty years?

A．Niger.

B．Japan.

C．Oman.

D．China.