一、存在的问题科学课程(7~9年级)的开设是基础教育课程改革的一项重要举措,它以特有的探究性和综合性为基本特色,受到了学生们的普遍欢迎。教师的教学方式以及学生的学习方式正在发生可喜变化。它带来了不少变革,不少争议和不少探索,也促使教育不断的向前发展。在这种新标准的 I. Existing Problems The opening of Science Courses (Grades 7-9) is an important measure for the reform of basic education curriculum. It has been widely welcomed by students due to its characteristic features of inquiry and comprehensiveness. Teachers ’teaching methods and students’ learning styles are changing delightfully. It brought a lot of change, a lot of controversy and a lot of exploration, but also to promote the continuous development of education. In this new standard