三头奶牛一周的产奶量是18.9千克,问一头奶牛一天的产奶量是多少?
18.9÷7÷3
=2.7÷3,
=0.9(千克).
答:一头奶牛一天的产奶量是0.9千克.
按要求改写句子。
1. What food do you like best? (同义句)
______________ ______________ _______________ ________?
2.We would like to go to the supermarket with Mother.(对划线部分提问)
_________ ________ you like _________ ____________ with Mother?
3. His mother usually gets up at half past five.(对划线部分提问)
_______ ______does his mother ________ up?
4.Jack likes hamburgers. (用vegetables改为选择疑问句).
______ Jack______ hamburgers ______vegetables?
5.They don't have the same habit.(同义句)
They have ___________ _____________.
我国目前共划分几个省、几个自治区、几个直辖市、几个特别行政区?