一、词汇：
1.掌握词汇：
hello,hi,good-bye,bee,blackboard,book,boy,cat,classroom,
dialogue,friend,girl,marker,pen,pencil,school,teacher;I,you,
your,he,she,this,that;am,borrow,look,is,sit,thank,review;
zero,one,two,three,four,five;a;how many.
2.接触词汇：
apple,Canada,China,eraser,key,letter,library,Ms.,number,
pencil case;do,have,may,let,meet,please,practice;here,there,
too,where;sure;the;and;it
