【单选题】课文理解 . (Unit1A)The feet exploded in a frenzy of kicking and shot straight up in the air. Question: what does the author try to tell us by describing the dead chicken?
【简答题】If we know the total number of heads and feet of chicken and rabbits. Find out how many chicken and how many rabbits. Example: heads=25, feet=60 Expected Output: chicken=20,rabbits=5