【单选题】Who is the author of classic of tea?
【单选题】Who wrote the Classic of Tea ?
【简答题】附加题(本题10分,选做,分数计入总分,如总分超过100分仍为100分) 已知集合A={x︱x 2 -4mx+2m+6=0,xÎR},若A∩R - ≠Æ,求实数m的取值范围(R - 表示负实数集)。
【简答题】同学们,如果你已完成了前面的所有试题,并已检查完毕。你可以做这道附加题,本题不计入总分。挑战一下自己吧! 任务型阅读 (10分) Most Americans enjoy moving from one place to another. For example, they often drive their cars 120 to 160 kilometers away just to have...
【单选题】Luyu rated_____ as No. 1 tea of Huainan region and lavished praises on her in The Classic of Tea.
B.
West Lake Dragon Well Tea
【简答题】The classic of Tea written by _____ is an early work on tea, summarizing all knowledge of tea in China up to that date.
【单选题】Who wrote The Classic of Tea?
【简答题】(注:本题分A、B两类题,大家可选做,两题都做已A类计分.) (A类)如图1,飞机P在目标A的正上方1100m处,飞行员测得地面目标B的俯角α=30°,求地面目标A、B之间的距离;(结果保留根号) (B类)如图2,两建筑物AB、CD的水平距离BC=30m,从点A测得点C的俯角α=60°,测得点D的仰角β=45°,求两建筑物AB、CD的高.(结果保留根号) 我选做的是______类题.