Objective: We measured CEA (carcinoembryonic antigen) levels in both serum and bile from patients with colorectal cancer (CRC) to evaluate the relationship betw
1.营造宽松、民主、和谐的教学氛围 宽松、民主、和谐的教学氛围有利于学生的发展和教师的发展。交往的前提应是平等、对称的,和谐温馨的课堂教学应是对话式的,师生相互请教,互为先生和学生。在教学中,我经常鼓励学生向我挑战“Who has different ideas or can you find out better suggestions than me?”或者“Thank you for yo