单词doctor到底是表示博士，还是表示医生，相信许多小伙伴都有这样的一个疑问?例如，Press Tab key to switch between documents on screen.按Tab键可以在屏幕上的文件之间进行切换。
缩写的“Dr”或“Dr.”，是对获得博士学位的人的称呼。It is until the early 19th century the physician started using the doctor title， regardless whether they hold the doctorate or not . This matter has already been brought to WHO， that decides the title doctor granted to them as honorary calling because of their job contribution.
UNIT1Albert Einstein 阿伯特·爱因斯坦(20世纪 杰出的科学家)genius n.天才;创造力inspiration n.灵感; 鼓舞人心的人(或事物)perspiration n.
兄弟听了直接问道:doctor是“医生”又是“博士”，要怎么区分?另外，有一种情况要注意，日常中我们要介绍“XXX是医生”时，可以说someone is a doctor，但如果要介绍“XXX是个博士”时，则要说someone has a doctor’s degree.
一、COLOUR (颜色)1blue 蓝色（的）2green 绿色（的）3red 红色（的）4yellow黄色（的）5orange橘色（的）6purple紫色（的）7white 白色（的）8black 黑色（的）9brown 棕色（的）二、SCHOOL (学校)10school
In the past， my hometown was very small， and people lived a poor life. The houses were old and small. Pollution was very serious， and there was rubbish everywhere. The traffic was not convenient， so few visitors came here.
