1．What might NOT be the main cause for the new policy?

A．To increase the population's role in economic and social development.

B．To maintain a stable population.

C．To keep the birth rate at 1.3.

D．To address the challenge of the aging population.

2．What can be known from the text?

A．China's annual number of newborns has fallen for decades.

B．In 2013.Chinese government allowed all couples to have two children.

C．Sacrificing women's career prospects contributes to their willingness to bear more children.

D．Chinese government has loosened its decades-long family planning policy in recent years.

3．Which of the following can replace the underlined word“preferential”?

A．favorable.

B．powerful.

C．contradictory.

D．neutral

4．What is the author's purpose in writing the text?

A．To show the population's role in driving economic and social growth.

B．To introduce the new family size policy.

C．To share his concerns about birthrate and aging population problem.

D．To issue an appeal for easing couples'parental burden.