—How many people are still leading ______ life under ________ poverty line in the world?

—Perhaps one fourth.

A．a; the

B．a; a

C．/; /

D．the; /

DTSD型电能表是（）。

A、三相四线全电子式多功能电能表

B、三相三线全电子式多功能电能表

C、三相三线全电子式复费率电能表

D、三相四线全电子式电能表