The two companies have seen partners for_________.

中国大学MOOC: Ro-ro is an acronym for_________.

Quantum dots, another type of nanoparticles, are used mainly for_________.

Washington Irving's 'Rip Van Winkle' is famous for_________.

They may use a credit card for_________. A: convenience B: convenient C: conveniently

Ro-ro is an acronym for_________. A: Roll-on and-off B: Roll-on/roll-down C: Roll-on/roll-off D: Roll and roll

Writing notes in a Notes column is a step for_________. A: recording important points B: reciting the information C: recording the valuable questions for further thinking D: making a summary

In ancient times, Bronze inscriptions were often used for_________. A: recording historical events B: recording important moments C: decoration D: creating a new writing style

Washington Irving's 'Rip Van Winkle' is famous for_________. A: Rip's escape into a mysterious B: The story's German legendary source material C: Rip's seeking for happiness D: Rip's 20-years sleep

Washington Irving's 'Rip Van Winkle' is famous for_________. A: A, Rip's escape into a mysterious　　 B: B, The story's German legendary source material C: C,Rip's seeking for happiness　　 D: D,Rip's 20-years sleep