2.以下属于班级管理原则的是（ ）。

5. Great changes _____ in my home town and a lot of factories _____.

11. —Why do you think the music is used?   —To ________ the plot, not simply to keep the toes tapping.

44. I had ______ closed my eyes when the telephone rang.

16. The young man asked me ________ with me.

12. Fine violins by skilled old Italians can ________ hundreds of thousands of dollars, and prices still keep rising.

52. For convenience it is common to speak of plants as “herbs,” “shrubs,” and “trees,” but it is really no sharp distinctions among them.

5.课外、校外教育是课堂教学的延伸。

37. The car gathered speed and soon ______ view.

17. “He ________ lived well on his good looks, but instead he chose to thrive (成功) on his talent.” People praised Ning Zetao like this.

49. Every individual cell, whether its exists as an independent microorganism or is part of a complex creature, has its own life cycle.

5.（ ）是我国教育目的的总要求。