A:井田制和分封制的实行
B:广大奴隶的辛勤劳动
C:农业和手工业的发展
D:西周诸王的励精图治
方案:
①将甲沿竖直方向切去一半,并将切去部分叠放在甲剩余部分上方
②将乙沿竖直方向切去一半,并将切去部分叠放在甲的上方
③将乙沿水平方向切去一半,并将切去部分叠放在甲的上方
A. What did you do there?
B. What about you?
C. Where did you go yesterday?
D. Did you read storybooks?
Tina: Hello, Tony. ____
Tony: I went to the library.
Tina: ____
Tony: I read some interesting books. ____
Tina: I went to the zoo and saw many animals.
____ ____two hundred teachers in our school went on vacation!