IP数据报对数据报的分片进行控制的3个域是标识、______和片偏移。A．版本号 B

书面表达。（共1题，计15分）
新班规: 1. Don't listen to music or have snacks in the classroom;
2. You have to wear trainers in PE classes;
3. Don't stay at school after 5:00pm... 新班规实施前后，你的活动如下表：

Before the new rules	Listen to music after class, play basketball after school
After the new rules	Feel stressed, have no time for hobbies
Your ideas	… …

你打算给班长李明写一封信，告诉他：1.你的兴趣爱好2.你的烦恼；3.你对新班规的建议(至少两点)。
注意：1.词数90左右，收信人和写信人的姓名已给出，但不计入词数；
2.信中不能出现真实的学校，班级和姓名。
Dear Li Ming:
I am writing to you to tell you something about my worries.
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________
I’ll be very happy if I can hear from you soon.
Zhou Yang