How many countries will be in the list of "Super Aged" nations in total in five years？A．3.

How many employees will the store be hiring？A．5B．20C．40D．45

How many jobs will be created？A．300 part－time jobs .B．500 full－time jobs .C．650 part－time

Many observers believe that country will remain in state of chaos if it fails to solve i

How many countries attended the close－door meeting held in London？A．4.B．7.C．6.D．5.

How many child soldiers will be released after Thursday？A．200.B．4200.C．3800D．4000

How many micrograms of BPA will be consumed every day by a baby of 10 kilograms？A．At least