【正文】
one desk. T: What are these? Two books. Write it on the blackboard and learn to say. T: How many chairs? How many desks? (point to two chairs and desks) S: Two chairs. Two desks. T: How many books? Three books. Write it on the blackboard and learn to read. T: How many boys? How many girls? (Point to three boys and girls) S: Three boys. Three girls. T: Now how many books? Four books. Write it on the blackboard and learn to read. T: How many schools? How many teachers?(s