编钟的英文翻译为。
A. bells
B. chime bells
C. jingle bells
D. clock
Beijing Opera has kinds of roles according to different identities and personalities.
A. six
B. five
C. four
D. three
Gunpowder can be widely used in.
A. weapons
B. fireworks
C. steel age
D. English class
1000 years ago, Chinese invented paper-making.
A. 对
B. 错