一块体积为40cm3、密度为0.9×103kg/m3的冰块,质量为____ g;若将它削去三分之一,则余下的冰的质量为____ g,密度为____ kg/m3。
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
用正确的大小写,将下面的句子抄写到四线格上,并补全标点符号。
①I'm daming from china.
②spring festival is very important in our country
③do you usually sing happy birthday at the birthday party