1. Even the students with the average intelligence can be the excellent students after bettering their study habits. ��ʹ����һ���ѧ��Ҳ����ͨ���Ľ�ѧϰϰ�߶���Ϊ�ŵ�����
2. Bettering medical w orkersattitude in delivering service and leading the patients to respect medical labor are equally stressed. ץҽ����Ա���Ʒ���̬�ȣ���������������ҽ���Ͷ����٣�
3. So, while we take advantage of the opportunities that the cities offer us, we ought to devote our intelligence and wisdom to bettering out cities. ���ԣ����������ó��и����Ǵ���������ͬʱ��������Ϊ���������ĸ��ƹ����Լ��IJ��ǡ�