number /ˈnʌmbə/ n.［c］ 1.数，数字，数量：an unknown number未知数；a known number已知数；without number 数不清的 a number of 若干；许多：There are a large number of people at the station. 车站上有许多人。2. (略作No.，复数略作Nos.)号码；号数；…号：a telephone number 电话号码；the No.1 Middle School第一中学 My room is No.6.我的房间是6号。Answer Nos 1-10 of Exercise II.回答练习二的1至10小题。