1 . Yuan Longping and his team have solved the problem of ________ for many people.

A．hunger

B．health

C．pollution

D．population

2 . — What’s the population in your hometown?
—About 200,000.

A．total number of people

B．total weight of people

C．total amount of money

3 . —Your ________ is quite good. You must be from an English-speaking country.
—Thanks, but I’m from China.

A．pollution

B．pronunciation

C．population

D．prediction

4 . Because of the growing needs of market, the ________ of blind boxes will quickly rise.

A．pollution

B．production

C．pronunciation

D．population

5 . According to China Daily, 40 percent of the ________ in our country will be vaccinated(接种疫苗) by June this year.

A．pollution

B．population

C．position

D．production

6 . The Great Wall is the ________ of China.

A．symbol

B．level

C．population

7 . —________?
—About 150,000.

A．How is your home town

B．Where is your home town

C．What’s the population of your home town

8 . The ________ of the world is growing larger and larger. As a result, the burden of the earth is becoming heavier and heavier.

A．population

B．pollution

C．protection

9 . Sydney is the largest city with a ________ of more than five million in Australia.

A．population

B．square

C．desert

D．tour

10 . —What do you know about the world’s population?
—I know China and India are the countries _________ more than one billion.

A．with a population of	B．with populations
C．that have populations of	D．which has a population of