“尽道隋亡为此河，至今千里赖通波”．开凿“此河”时的皇帝是（    ）

⑴I'm hungry.____                       A. She's running.

⑵What are you doing?____       B. He's making noodles.

⑶What are they doing?____      C. I'm hungry, too.

⑷What is she doing?____          D. They are rowing a boat.

⑸What is Sam doing?____         E. I'm reading a book.

欣赏漫画《选择》，要走好环保、节约之路，我们必须（    ）

①严格的制度保障              

②把环保、节约作为当前工作中心

③建设资源节约型、环境友好型社会

④从自身做起、从小事做起