【单选题】Chapter 1 Skill A-7.mp3: Lottery (n): a selection made by chance from among a number of contestants. Limited (adj): not great in number of quantity Freshmen (n): a first-year student Campus (n): the g...
【简答题】(ex5) (1) 假定某天的气温变化记录如下表,试作图描述这一天的气温变化规律。 时刻 t(h) 0 1 2 3 4 5 6 7 8 9 10 11 12 温度 o C(t) 15 o 14 o 14 o 14 o 14 o 15 o 16 o 18 o 20 o 22 o 23 o 25 o 28 o 时刻 t(h) 13 14 15 16 17 18 19 20 21 22 23 24 温度...