Every morning the pupils read the texts ____ in the classroom.

A．on the top of their voices

B．on the top of their voice

C．at the top of their voices

D．at the top of their voice

汪洋3月2日强调，精准扶贫、精准脱贫是新时期脱贫攻坚的基本方略，变（），提高扶贫成效。

A、“大水漫灌”为“精准滴灌”

B、“精准滴灌”为“大水漫灌”

C、“大水漫灌”为“开源节流”

D、“大水漫灌”为“集中喷洒”