《汉书•贡禹传》记载：“方今齐三服官作工各数千人，一岁费数钜万。……三工官官费五千万，东西织室亦然。”“三服官”“东西织室”代表的手工业特点不包括（  ）

我们食用花生时，主要食用它的（  ）

如图所示小球在水平面上做直线运动，每隔0.2s记录一次小球的运动位置，则小球从D点运动到F点的路程为____cm，该过程的平均速度为____m/s．

1. Please clean up before leaving.
2. Showers(淋浴)to be taken before 11 p.m..
3. No staying out after 10 p.m. unless allowed by me.
4. You may have incoming calls on my phone but no outgoing calls.
5. Bed time is 11 p.m.
6. Dinner is at 7 p.m. unless notified(通知). (If you don’t have dinner, you must let us know before 6 p.m.)
7. Keep noise to the least.
8. No smoking in the bedroom. 
The Address you are staying at is:   112 Kendal Way   Cambridge 
My contact number:    07870 347980

分解因式（x﹣1）（x﹣3）+1=​____