二、教学目标
1.基础知识
单词：tie,over,until,finger,continue,either,lift,army,shoulder,
against,stomch,tiny,manage
词组：be tire out,look down,,fall over,begin doing/to do sth,
a huge army of, get away,by the time, be tied to,
the same size as, continue doing sth,manage to do sth, run way
