－These oranges are only a dollar eighty-nine a pound. (东城区)

－Well, they are_______than the others, but they don’ t look_______good.

A．prettier; very

B．cheaper；as

C．better；too

D．more expensive;so

到2020年，我国环境保护的目标是环境质量和生态状况得到改善，环境恶化趋势得到遏制。