At the science museum, the boys and girls get to know _____.[ ]

A. what is the spaceship like

B. what the spaceship looks like

C. how the spaceship looks 1ike

D. how does the spaceship 1ook like

建设中原经济区要提升郑州全国区域性中心城市地位，强化郑州的龙头带动作用，完善基础设施，改善人居环境，提高城市品质，增强（）能力，凸显对全省和区域发展的综合服务功能。

A、产业带动

B、高端要素集聚

C、科技创新

D、文化引领