曲线拨道方法不当,凭经验拨道,用眼睛看着估拨,经常采用(),会造成误差积累或曲线头尾出现方向不良。
A、流水拨道法
B、简易拨道法
C、绳正法
D、支距法
参考答案:B
三分群白细胞直方图上,中间细胞区不包括哪类细胞()
A.单核细胞
B.嗜酸性粒细胞
C.嗜碱性粒细胞
D.中性粒细胞
E.幼稚细胞
Jake’s son Simon, aged 16, wished to buy a particular hi-fi system which had just been launched on the market. He decided to save up some more money and purchase it during the coming months. Jake decided to surprise his son and bought a system from Martin. Martin assured Jake this was the latest model. However, much to Simon’s dismay the model his father purchased was the 2008 model.Required:
(a) Explain whether Simon would have been legally able to purchase the hi-fi system on his own; and (4 marks)